| "A burning matter" : the bishop, the witch, and the serving maid | Collins, Dick | Article in Journal | | 2001 |
| "A relation concerning the Estate of the Churches within the Diocese of Leighlin, 1585-87" : An edition of Lambeth ms 614 fos (sic) 245.8 | Moore, Donal | Article in Journal | | 1987 |
| "Bithiúnaigh iad uilig" : sagairt agus easpaig i 1798 | Keogh, Dáire | Article in Book | NA | 1998 |
| "Burke's political testament" : Thomas Hussey and the Irish Directory | Keogh, Dáire | Article in Book | Poolbeg | 1998 |
| "Clerical dictation" : reflections on the Catholic Church and the Parnell split | Callanan, Frank | Article in Journal | | 1990 |
| "Everything Depends on the First Year" : Archbishop John Hughes and his fundraising plan for St. Patrick's Cathedral | Feighery, Kate | Article in Journal | | 2015 |
| "Imperium in Imperio" : Irish Episcopal Imperialism in the Nineteenth Century | Barr, Colin | Article in Journal | | 2008 |
| "It is for a nation of martyrs to cultivate constant self-restraint." The Irish Catholic bishops' attitude to the IRA campaign, 1919-21 | Heffernan, Brian | Article in Journal | | 2008 |
| "JKL" : James Doyle bishop of Kildare and Leighlin (1786-1834) | Evans, Mairead | Article in Journal | | 2003 |
| "Pillars of the authority of princes" : reflections on the employment of bishops in the British Isles in the reign of James VI/I | Nicholls, Andrew D. | Article in Journal | | 1999 |
| "Satisfied with marrow and fatness": The epicurean theology of Frederick Hervey, Bishop of Derry | Murphy, Willie | Article in Journal | | 2013 |
| "The pattern of the flock" : John Thomas Troy, 1786-1823 | Keogh, Dáire | Article in Book | Four Courts Press | 2000 |
| 'A star of the first magnitude' : William Bedell (1571-1642), bishop of Kilmore and Gaelic culture | Caball, Marc | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| 'A star of the first magnitude' : William Bedell (1571-1642), bishop of Kilmore and Gaelic culture | Caball, Marc | Article in Book | Geography Publications | 2014 |
| 'A very brisk month of canvassing and caucusing.' Episcopal appointments in the diocese of Limerick 1825-1917 | Tobin, Matthew | Article in Journal | | 2004 |
| 'Bishop in the dock' : the sedition trial of James Liston | Sweetman, Rory | Article in Book | Crossing Press | 1995 |
| 'I will acquire an attitude not yours.' Was Frederick MacNeice a Home Ruler and why does this matter? | Fitzpatrick, David | Article in Journal | | 2008 |
| 'In imitation of that holy patron of prelates the blessed St. Charles' : episcopal activity in Ireland and the formation of a confessional identity, 1618-1653 | Ó hAnnracháin, Tadhg | Article in Book | | 2005 |
| 'My repeated troubles' : Dr James Gallagher (bishop of Raphoe 1725-37) and the impact of the Penal Laws | Mac Murchaidh, Ciarán | Article in Book | | 2011 |
| 'Soldier of Christ' : the political and ecclesiastical career of Nicholas French, Catholic bishop of Ferns (1603-1678) | McHugh, Jason | Thesis | | 2005 |
| 'That zealous and learned prelate' : Bishop George Webb of Limerick | Wiggins, Kenneth | Article in Journal | | 2002 |
| 'The Bottom Dog and the Bishop's Crozier' : the Catholic hierarchy and the trade union movement in Limerick, 1916-22 | Haugh, Dominic | Article in Journal | | 2006 |
| 'To keep hospitality' : bishops, banquets and buildings, 1660-1714 | O'Rourke, Liam | Article in Book | Four Courts Press | 2025 |
| + Kevin : a portrait of Archbishop Kevin McNamara | Power, Louis | Monograph or Collective Volume | Blackwater | 1993 |
| 6 February 1922: Pius XI Ascends to the Papacy
Religion, Graffiti and Political Imprisonment | McAtackney, Laura | Article in Book | | 2022 |
| A bishop of Limerick and a line of kings | de Bhial, Tomás, 1884-1954 | Article in Journal | | 1937 |
| A Bishop of penal times: the life and times of John O'Brien, Bishop of Cloyne and Ross, 1701-1769 | Coombes, James | Monograph or Collective Volume | Tower Books | 1981 |
| A bishop of the MacCarthy's : Dr Florence MacCarthy (1761-1810) | Walsh, T. J. | Article in Journal | | 1951 |
| A bishop of the penal times : being letters and reports of John Brenan, bishop of Waterford (1671-93) and archbishop of Cashel (1677-93) | | Monograph or Collective Volume | Cork UP | 1932 |
| A calendar of the letters of Thomas Bray, Archbishop of Cashel, 1792-1820 | Meagher, Mary T. | Thesis | | 1966 |
| A calendar of the papers of Michael Slattery, archbishop of Cashel, 1834-57 | Tierney, Mark | Thesis | | 1965 |
| A calendar of the reassembled register of John Bole, archbishop of Armargh, 1457-1471 | Lynch, A. | Article in Journal | | 1992 |
| A Caroline trio : Ussher, Laud, and Williams | Knox, R. B. | Article in Journal | | 1963 |
| A catalogue of the Bishops of Raphoe to A.D. 1600 | Jefferies, Henry A. | Article in Journal | | 1997 |
| A catalogue of the maps of the estates of the archbishops of Dublin : 1654-1850 | Clark, MaryRefaussé, Raymond | Monograph or Collective Volume | Four Courts | 2000 |
| A cathedral : a chair-church | Flannery, Austin OP | Article in Book | | 1998 |
| A cathedral renewed : St Macartan's Monaghan | Griffin, Elthin | Monograph or Collective Volume | Columba | 1998 |
| A Catholic centenary | K., B. | Article in Journal | | 1946 |
| A charge delivered to the clergy and churchwardens at his Primary Visitation | Bernard, J. H. (John Henry), 1860-1927 | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. | 1911 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 14th, 1924 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1924 |
| A charge delivered to the clergy of the diocese of Dublin, at the Visitation, November 9th, 1927 | Fitzgerald, John Allen | Monograph or Collective Volume | Church of Ireland Printing Co. | 1927 |
| A charge delivered to the clergy of the dioceses of Dublin, Glendalough and Kildare, at the Visitation, November, 1881 | Trench, Richard Chenevix | Monograph or Collective Volume | Hodges, Figgis | 1881 |
| A charge delivered to the clergy of the dioceses of Dublin, Glendalough and Kildare, at the Visitation, October, 1873 | Trench, Richard Chenevix | Monograph or Collective Volume | Hodges, Figgis | 1873 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross at the ordinary visitation, October 1867 | Gregg, John | Monograph or Collective Volume | Hodges, Smith | 1867 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross at the ordinary visitation, October 1882 | Gregg, Robert S. | Monograph or Collective Volume | George Herbert | 1882 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross, at his primary visitation, in September, 1863 | Gregg, John | Monograph or Collective Volume | William Curry | 1863 |
| A charge delivered to the clergy of the united dioceses of Cork, Cloyne, and Ross, at the ordinary visitation, October 1866 | Gregg, John | Monograph or Collective Volume | Hodges, Smith | 1866 |
| A clerical dogfight, 1767-1772 : the appointment of Archbishop James Butler II of Cashel | Moloney, John | Article in Journal | | 1983 |
| A comment on Fr. Aubrey Gwynn's 'The medieval province of Armagh' | Ó Ceallaigh, Séamus | Article in Journal | | 1953 |
| A famous bishop from the banks of the Bandon | Carroll, Finbarr | Article in Journal | | 1993 |
| A Franciscan bishop of Clonfert | Gwynn, Aubrey | Article in Journal | | 1959 |
| A French bishop of Annaghdown | Mooney, Canice | Article in Journal | | 1962 |
| A friend of education | Faulkner, Pádraig | Article in Journal | | 1998 |
| A Gaelic pioneer : Rev. Euseby Cleaver | Mangan, Henry | Article in Journal | | 1944 |
| A great Irish missionary : Bishop Joseph Shanahan | Leen, Edward | Article in Journal | | 1944 |
| A great Irish missionary : Dr Joseph Shanahan, C. S. Sp. (1870-1943) | Ronayne, T. | Article in Journal | | 1944 |
| A history of the Catholic Church for schools. Vol. 4 | Mahony, J. | Monograph or Collective Volume | Educational Company of Ireland | 1950 |
| A history of the diocese of Cork : the episcopate of William Delany : 1847-1886 | Bolster, Evelyn | Monograph or Collective Volume | Tower Books | 1993 |
| A history of the diocese of Cork from the penal era to the Famine | Bolster, Evelyn | Monograph or Collective Volume | Tower Books | 1989 |
| A history of the Irish church, 400-700 AD | Bradley, ThomasWalsh, John R. | Monograph or Collective Volume | Columba | 1993 |
| A life of Patrick Cardinal O'Donnell | Gallagher, John P. | Thesis | | 1975 |
| A man for his season : bishop Neil Farren of Derry, 1939-1973 | Canning, B. J. (Bernard J.) | Article in Journal | | 1989 |
| A monument ot Archbishop Thomas Walsh in the town of Cashel, Co. Tipperary | Fitzpatrick, Liz | Article in Journal | | 1994 |
| A note on Berkeley and his Catholic countrymen | Berman, David | Article in Journal | | 1978 |
| A pastoral instruction in the Irish language from the Right Rev. Gerald Teahan, bishop of Kerry to his diocesans in 1794 | | Article in Journal | | 1939 |
| A pastoral of Archbishop O'Reilly, 1788 | | Article in Journal | | 1961 |
| A poem in praise of Aodh Úa Foiréidh, bishop of Armagh (1032-1056) | Murphy, Gerard | Article in Book | | 1944 |
| A Protestant in purgatory : Richard Whately, archbishop of Dublin | Akenson, Donald Harman | Monograph or Collective Volume | Indiana University Press | 1981 |
| A Salamancan who evaded the Inquisition : Florence Conry, pro-Hapsburg archbishop, diplomat and controversial theologian, c.1560-1629 | Downey, Declan M. | Article in Book | | 2008 |
| A sexual life, a spiritual life : a painful journey to inner life | Buckley, Pat | Monograph or Collective Volume | Liffey Press | 2005 |
| A short history of the Diocese of Elphin | Mooney, Canice | Article in Book | | 2000 |
| A short-title calendar of the papers of Archbishop Daniel Murray, Irish College, Paris, part 1, 1718-1812 | Sheehy, David C. | Article in Journal | | 2005 |
| A short-title calendar of the papers of Archbishop James Butler II in archbishop's house, Thurles, 1, 1764-86 | Tierney, Mark | Article in Journal | | 1978 |
| A short-title calendar of the papers of Archbishop James Butler II in Archbishop's House, Thurles, part 2, 1787-91 | Tierney, Mark | Article in Journal | | 1978 |
| A short-title calendar of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : Part 7, 1853-6 | Tierney, Mark | Article in Journal | | 2006 |
| A short-title calendar of the papers of Archbishop Thomas William Croke in Archbishop's House, Thurles : 2, 1886-1890 | Tierney, Mark | Article in Journal | | 1973 |
| A short-title calendar of the papers of Archbishop Thomas William Croke in Archbishop's House, Thurles : part 1, 1841-1885 | Tierney, Mark | Article in Journal | | 1971 |
| A short-title calendar of the papers of Archbishop Thomas William Croke in Archbishop's House, Thurles. Pt. 1, 1841-85; pt. 2, 1886-1890; pt. 3, 1891-1902 | | Article in Journal | | 1974 |
| A short-title calender of the papers of Archbishop William Croke in Archbishop's House, Thurles, 2 : 1886-1890 | Tierney, Mark | Article in Journal | | 1974 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 1, 1822-1839 | Tierney, Mark | Article in Journal | | 1988 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 2, 1840-1845 | | Article in Journal | | 1990 |
| A short-title catalogue of the papers of Archbishop Michael Slattery in Archbishop's house, Thurles. Part 3, 1846 | Tierney, M. | Article in Journal | | 1991 |
| A Skerries bishop | Halpin, P. | Article in Journal | | 1998 |
| A slanderous bishop (R. Wye, bishop of Cloyne, 1376) | Butler, James | Article in Journal | | 1937 |
| A Spanish Franciscan archbishop of Dublin : Fr Matthew of Oviedo, O. F. M. | Barrett, Fergus | Article in Journal | | 1941 |
| A study of accommodation movements between Presbytery and Episcopacy in the seventeenth century in Scotland, England and Ireland | Hopkirk, D. S. | Thesis | | 1946 |
| A study of the composition of the episcopate and episcopal activities in the ecclesiastical province of Cashel, c.1400-1431 | Kelleher, Donal Anthony | Thesis | | 1988 |
| A succession dispute in the calendars of papal letters: the united dioceses of Cork and Cloyne, 1455-1484 | Whitman, Michael | Article in Journal | | 2011 |
| A tale of two bishops | Farry, Michael | Article in Journal | | 1991 |
| A tale of two crosiers | Ó Floinn, Raghnall | Article in Book | | 2011 |
| A time of change and consolidation - Ferns in the nineteenth century | Morris, Fintan | Article in Book | | 1999 |
| A troubled see : memoirs of a Derry bishop | Daly, Edward | Monograph or Collective Volume | Four Courts | 2011 |
| A true relation of the life and death of the Right Reverend father in God William Bedell, Lord Bishop of Kilmore in Ireland | Bedell, William, d. 1670Jones, Thomas Wharton | Monograph or Collective Volume | Printed for the Camden Society | 1872 |
| A voyage to see scenes of Our Saviour's life and passion : Richard Pococke's eastern journey (1737-41) | Finnegan, Rachel | Article in Book | | 2015 |
| A woeful sinner : John Atherton | Clarke, Aidan | Article in Book | | 2003 |
| Abraham Brownrigg. Carlovian and eminent churchman | Murphy, Rory | Article in Journal | | 1996 |
| Accommodations with changing orders : the Church of Ireland, 1685-92 | Barnard, T. C. (Toby Christopher) | Article in Book | Four Courts Press | 2025 |
| Account of the bishops of Cork | Lunham, T. A., Colonel | Monograph or Collective Volume | Guy and Co., printers | 1907 |
| Ag smaoineamh ar an gCairdinéal | Ó Dufaigh, Seosamh | Article in Journal | | 1992 |
| Albrecht Suerbeer, archbishop of Armagh | Conlan, Patrick, 1940- | Article in Journal | | 2004 |
| Alexander Bicknor : archbishop and peculator | Lyndon, James | Article in Journal | | 1993 |
| Alexander Bicknor, archbishop of Dublin, 1317-49 | Gallagher, Niav | Thesis | | 1997 |
| An Cairdinéal Tomás Ó Fiaich agus comhthéacs an chreidimh in Éirinn | Ó Maolfabhail, Donncha | Article in Journal | | 1992 |
| An Dochtúir Sár-Oirbhidneach Ó Síothcháin, Árd-Easbog, agus and Ghaedhealg | Ó Cadhla, Pádraig | Article in Journal | | 1945 |
| An Dr de Siún, Easpag Luimneach (1796-1813), agus and Ghaeilge | Ó Súilleabháin, Pádraig | Article in Journal | | 1966 |
| An edition, with introduction and notes, of the register of Archbishop Mey; and a calendar of the register of Archbishop Prene | Quigley, W.G.H.Roberts, E.F.D. | Thesis | | 1955 |
| An eighteenth-century bishop : John Carroll of Baltimore | Hennessy, J. | Article in Journal | | 1978 |
| An English bishop afloat in an Irish see : John Bale, bishop of Ossory, 1552-3 | Tong, Stephen | Article in Journal | | 2018 |
| An extract from Bishop David Moriarty's diary, 1856 | O'Shea, Kieran | Article in Journal | | 1984 |
| An immigrant bishop : John England's adaptation of Irish Catholicism to American Republicanism | Carey, Patrick W. | Monograph or Collective Volume | Catholic University of America Press | 2022 |
| An Irish bishop in penal times : the chequered career of Sylvester Lloyd, OFM, 1680-1747 | Fagan, Patrick, 1922-2011 | Monograph or Collective Volume | Four Courts | 1993 |
| An tEasbog Tomás Mhac Comhain (1831-1847) | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1946 |
| An tEasbog Tomás Ó Coisdealbha, 1786-1831 | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1945 |
| Anglo-Irish hierarchy | Coyne, John J. | Article in Journal | | 1942 |
| Anthony Butler : soldier-bishop | Blackall, Henry, Sir | Article in Journal | | 1969 |
| Anthony Mageoghegan, bishop of Clonmacnois | Walsh, Paul, Revd, 1885-1941 | Article in Journal | | 1940 |
| Apostolic letter of Pope Benedict XV to Cardinal Logue | Benedict XV, Pope | Article in Journal | | 1942 |
| Appendix. The last will and testament of William Bedell | | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| Archbishop Adam Loftus : the first provost of Trinity College, Dublin, Trinity Monday discourse, 17 May 1993 | Robinson-Hammerstein, Helga | Monograph or Collective Volume | Trinity College | 1993 |
| Archbishop Bernard : professor, prelate, and provost | Murray, R. | Monograph or Collective Volume | [s.n.] | 1931 |
| Archbishop Carpenter and the Catholic revival, 1770-86 | Wall, Thomas | Article in Journal | | 1955 |
| Archbishop Charles Agar : churchmanship and politics in Ireland, 1760-1810 | Malcomson, A. P. W. | Monograph or Collective Volume | Four Courts | 2002 |
| Archbishop Crolly and the development of Catholicism in Ulster 1812-49 | Macaulay, Ambrose | Monograph or Collective Volume | St Mary's College | 1990 |
| Archbishop Crolly and the development of Catholicism in Ulster, 1812-49 | Macaulay, Ambrose | Article in Journal | | 1993 |
| Archbishop Daniel Mannix | Griffin, James | Article in Journal | | 1990 |
| Archbishop Daniel Mannix of Melbourne, 1864-1963 | Kiernan, Colm | Article in Journal | | 1984 |
| Archbishop David MacCearbhaill and the petition for the grant of English law to the Irish, 1277-83 | Gwynn, Aubrey | Article in Journal | | 1956 |
| Archbishop Edmund O'Reilly's report on the state of the church in Ireland, 1662 | Millett, Benignus | Article in Journal | | 1959 |
| Archbishop FitzRalph and the Friars | Gwynn, Aubrey | Article in Journal | | 1937 |
| Archbishop Fleming, patriot and scholar | Barrett, Fergus | Article in Journal | | 1941 |
| Archbishop Healy | McGreevy, Sean | Article in Journal | | 1946 |
| Archbishop Hugh MacMahon | Flynn, L. J. | Article in Journal | | 1973 |
| Archbishop James Butler II : catechist to generations at home and abroad | Wallace, Patrick, [Rev.] | Article in Book | | 1989 |
| Archbishop James Duhig : Limerick 1871 - Brisbane 1965 | Boland, T. P. | Article in Journal | | 1988 |
| Archbishop John Baptist Purcell | Forde, R. | Article in Journal | | 1988 |
| Archbishop John Brenan (1625-1693) : his life and work | Breathnach, Catherine | Article in Journal | | 1993 |
| Archbishop John Joseph Lynch and the Anglicans of Toronto, 1860-88 | Stortz, Gerald J. | Article in Journal | | 1985 |
| Archbishop John MacHale in Irish politics, 1830-50 | Clancy, Deirdre | Article in Journal | | 1958 |
| Archbishop John Thomas Troy (1739-1823) | Purcell, Mary | Article in Journal | | 1978 |
| Archbishop John Thomas Troy and the catholic church in Ireland, 1787-1817 | McNally, Vincent Joseph Connor | Thesis | | 1977 |
| Archbishop Leahy and faction fighting | O'Dwyer, Christopher | Article in Journal | | 1989 |
| Archbishop Leahy at the first Vatican Council | O'Neill, John | Article in Journal | | 1963 |
| Archbishop Leahy of Cashel (1806-75) | O'Dwyer, Christopher, Rev. | Thesis | | 1971 |
| Archbishop Lynch and 'New Ireland' : and unfulfilled dream for Canada's Northwest | Stortz, Gerald J. | Article in Journal | | 1982 |
| Archbishop Lynch's 'The evils of wholesale and improvident emigration from Ireland', (1864) | Lynch, John Joseph | Article in Journal | | 1983 |
| Archbishop Magauran and his return to Ireland, October 1592 | Walsh, Micheline Kerney | Article in Journal | | 1989 |
| Archbishop Malachy O'Quaelly, vicar apostolic of Killaloe, 1620-30; archbishop of Tuam, 1630-45 | Gleeson, Dermot F. | Article in Journal | | 1948 |
| Archbishop McGettigan, the Catholic bishops of Ireland and the Irish land bill 1881 | Bradley, John, Rev. | Article in Journal | | 1998 |
| Archbishop Michael McGrath (1882-1961) : a twentieth century St David? | Hughes, Trystan Owain | Article in Book | | 1999 |
| Archbishop Miler Magrath : 1522-1622 the enigma of Cashel : essays in reformation history | Ryan, Patrick J. | Monograph or Collective Volume | Lisheen Publications | 2014 |
| Archbishop Murray, 1768-1852 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1952 |
| Archbishop Oliver Plunkett : Ireland's first canonized martyr | Curtayne, Alice | Article in Journal | | 1976 |
| Archbishop Richard Creagh of Armagh, 1525-1586 : an Irish prisoner of conscience of the Tudor era | Lennon, Colm | Monograph or Collective Volume | Four Courts | 2000 |
| Archbishop Richard Robinson : builder of Armagh | Mohan, Christopher | Article in Journal | | 1971 |
| Archbishop Richard Whately, 1787-1863 | Watson, W. L. R. | Article in Journal | | 1963 |
| Archbishop Simonds and the Myshall connection | Byrne, Edward | Article in Journal | | 1993 |
| Archbishop Slattery and the episcopal controversy on Irish national education, 1838-41 | McGrath, Thomas | Article in Journal | | 1984 |
| Archbishop Troy (1739-1823) and revolution | Peel, Edmund J., Rev. | Thesis | | 1956 |
| Archbishop Ussher quotes Taliesin | Hudson, Wilson M. | Article in Journal | | 1950 |
| Archbishop Ussher's scheme of church government | Bolton, F. R. | Article in Journal | | 1947 |
| Archbishop Walsh | Leslie, John Randolph (Shane), 1885–1971 | Article in Book | | 1960 |
| Archbishop Walsh and St Mary's University College, 1893-1908 | O'Driscoll, Finbarr | Article in Journal | | 1985 |
| Archbishop Walsh and the 1913 Lock-out | Morrissey, Thomas J. | Article in Journal | | 2013 |
| Archbishop Walsh and the Commission on Manual and Practical Instruction | O'Donovan, Patrick F. | Article in Journal | | 1986 |
| Archbishop William Hayden (1868-1936) | Cassin, Maeve | Article in Journal | | 1994 |
| Archbishop William King (1650-1729) : church Tory and state whig? | Richardson, Joseph | Article in Journal | | 2000 |
| Archbishop William King and the Anglican Irish context, 1688-1729 | | Monograph or Collective Volume | Four Courts | 2004 |
| Archbishop William King's library catalogue | Matteson, Robert S. | Article in Journal | | 1981 |
| Archbishop William King, Basiraeana & Lanaeana | Matteson, Robert S. | Article in Journal | | 1995 |
| Archbishop's Bulkeley's visitation of Dublin, 1630 | | Article in Journal | | 1941 |
| Archbishops Edmund MacGauran and Malachy O'Queely : some circumstances of their deaths | Connellan, M. J. | Article in Journal | | 1948 |
| Archibald Hamilton, een gevluchte anglicaansche aartsbisschop in Nederland | Beek, J. van | Article in Journal | | 1907 |
| Armagh clergy, 1800-2000 | Fleming, W. E. C. | Monograph or Collective Volume | The author | 2001 |
| Arms of Archbishop Carpenter | Slevin, Gerard | Article in Journal | | 1955 |
| At Aodh Ó Néill's right hand : Archbishop Flaithrí Ó Maolchonaire and the Red Hand of Ulster | Hazard, Benjamin | Article in Book | | 2013 |
| Augustine Birrell and Archbishop William Walsh's influence on the founding of the National University | O'Flynn, Gráinne | Article in Journal | | 1976 |
| Australia : the influence of the Irish on the history of the church in Australia | Cosgrave, A. P. | Article in Journal | | 1947 |
| Balancing the concerns of church and state : the Archbishops of Dublin, 1181-1228 | Murphy, Margaret | Article in Book | | 1995 |
| Baptism and episcopal consecration in the Celtic churches | Paulinus | Article in Journal | | 1936 |
| Begley's diocese of Limerick | Irwin, Liam | Article in Journal | | 1994 |
| Berkeley as a man of letters | Dobrée, Bonamy | Article in Journal | | 1953 |
| Berkeley's life and works | Berman, David | Article in Book | | 2005 |
| Bibliography of the works of William Reeves, D.D. | Garstin, John R. | Monograph or Collective Volume | [s.n.] | 1893 |
| Biographer of a bishop : Alexander Clogie, 1614-1698 | Roulston, William | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| Bishop Barrett and King Richard III | O'Neill, Thomas Patrick | Article in Book | | 1991 |
| Bishop Boetius MacEgan of Elphin | Mooney, Canice | Article in Journal | | 1952 |
| Bishop Charles Graves | Ireland, Aideen M. | Article in Journal | | 1985 |
| Bishop Cornelius Egan's diocesan reports to Rome | O'Shea, Kieran | Article in Journal | | 1979 |
| Bishop Daniel Cohalan of Cork on republican resistance and hunger strikes : a theological note | Corkery, Pádraig | Article in Journal | | 2002 |
| Bishop Dive Downes' visitation of his Diocese, 1699 | | Article in Journal | | 1909 |
| Bishop Edward Thomas O'Dwyer and the course of Irish politics, 1870-1917 | O'Callaghan, Edward | Thesis | | 1976 |
| Bishop Edward Thomas O'Dwyer and the fall of Parnell | O'Callaghan, Edward P. | Article in Journal | | 1978 |
| Bishop Edward Thomas O'Dwyer of Limerick, 1842-1917 | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2003 |
| Bishop Eugene of Ardmore revisited | O'Connor, Donal | Article in Journal | | 2007 |
| Bishop Francis Moylan | O'Farrell, Josephine | Thesis | | 1974 |
| Bishop George Montgomery, 1569-1621 | Meehan, Helen | Article in Journal | | 2007 |
| Bishop George Montgomery’s Survey of the parishes of Derry diocese : a complete text from c.1609 | Jefferies, Henry A. | Article in Journal | | 1996 |
| Bishop in the dock : the sedition trial of James Liston in New Zealand | Sweetman, Rory | Monograph or Collective Volume | Irish Academic Press | 2007 |
| Bishop Ireland's Connemara experiment | Shannon, James P. | Article in Journal | | 1957 |
| Bishop J. Stock of Killala and Achonry - 1798-1810 | Coote-Duggan, John | Article in Journal | | 1983 |
| Bishop James Corbett : freeman of Limerick | Anonymous | Article in Journal | | 1988 |
| Bishop John Brenan, the intimate of Blessed Oliver | Power, P. | Article in Book | | 1937 |
| Bishop John England | MacCarron, Patrick | Article in Journal | | 2013 |
| Bishop John England of Charleston : catholic spokesman and southern intellectual, 1820-1842 | Saunders, R. | Article in Journal | | 1993 |
| Bishop John Jebb and the nineteenth-century Anglican Renaissance | Acheson, Alan | Monograph or Collective Volume | Clements Academic | 2013 |
| Bishop John O'Corcoran of Clogher (1373-1389) at the University of Prague, the Purgatorium Sancti Patricii and the debate about Purgatory in the later middle ages | Walsh, Katherine | Article in Journal | | 1997 |
| Bishop John O'Molony : a great prelate of the penal days | G., J. S. | Article in Journal | | 1937 |
| Bishop John O'Molony of Killaloe (1617-1702) | Halpin, Sean | Article in Journal | | 1989 |
| Bishop Kelly of Western Nigeria | O'Shea, Michael | Monograph or Collective Volume | Society of African Missions | 2006 |
| Bishop Malchus : his arrival in Lismore, and the Winchester saints in a Waterford Calendar | O'Connor, Donal | Article in Journal | | 2006 |
| Bishop Mant's years in Killaloe, 1820-1823 | Kierse, Sean | Article in Journal | | 1982 |
| Bishop Michael Browne of Galway and anti-communism, 1937-1976 | Madden, Gerard | Article in Journal | | 2014 |
| Bishop Montgomery's survey of the bishoprics of Derry, Raphoe and Clogher | | Article in Journal | | 1943 |
| Bishop Murphy of Cloyne | Forde, Robert | Article in Journal | | 2005 |
| Bishop of the land war : Dr Patrick Duggan, bishop of Clonfert, 1813-1896 | Anonymous | Monograph or Collective Volume | Veritas | 1987 |
| Bishop Patrick McGettigan of Raphoe, 1820-1861 | Canning, B. J. (Bernard J.) | Article in Journal | | 2011 |
| Bishop Ricards and Dean Croghan : a contrasting tale of two Wexford missionaries in South Africa | Comerford, Patrick | Article in Journal | | 2001 |
| Bishop Thomas Nulty and the Irish land question. Part 1 : 1876-79 | Flynn, Gabriel | Article in Journal | | 1984 |
| Bishop Thomas Nulty and the Irish land question. Parts 2 and 3, 1879-1893 | Flynn, Gabriel | Article in Journal | | 1985 |
| Bishop Young's catechism | Tynan, Michael | Article in Journal | | 1984 |
| Bishops and abbots of Cloyne | Kelleher, Thomas | Article in Book | | 1994 |
| Bishops and presbyters in early Christian Ireland | de Bhaldraithe, Eoin | Article in Journal | | 2010 |
| Bishops and violence : a response to Oliver Rafferty | Donnelly, Peter | Article in Journal | | 1994 |
| Bishops as men of business and parliamentary managers in the Irish House of Lords, 1613-89 | Dennehy, Coleman A. | Article in Book | Four Courts Press | 2025 |
| Bishops associated with the building of the Cathedral | Davies, A. | Article in Journal | | 1980 |
| Bishops in contention : secular and ecclesiastical politics in later sixteenth-century Clogher | Lennon, Colm | Article in Journal | | 2006 |
| Bishops in Ireland and Wales in the early middle ages : some comparison | Etchingham, Colmán | Article in Book | | 1999 |
| Bishops in the early Irish church : a reassessment | Etchingham, Colmán | Article in Journal | | 1994 |
| Bishops of Ferns | De Vál, Seamus S. | Article in Book | | 1999 |
| Bishops of Ireland 1870-1987 | Canning, B. J. (Bernard J.) | Monograph or Collective Volume | Donegal Democrat | 1987 |
| Bishops of Kildare and Leighlin, 1715-1819 : pastoral, political and educational contexts | McGrath, Thomas | Article in Book | | 2006 |
| Bishops of Rathlury and Derry | Daly, Edward | Article in Journal | | 1980 |
| Bishopstown House : a summer residence for the bishops of Cork and Ross | McCarthy, J. P. (James P.) | Monograph or Collective Volume | Cork City Libraries | 2011 |
| Boetius MacEgan of Ross | Mooney, Canice | Monograph or Collective Volume | Four Masters | 1950 |
| Boetius McEgan bishop and martyr | Ó Riain, Pádraig | Article in Journal | | 1986 |
| Boniface for the English | Stoclet, Alain J. | Article in Journal | | 2022 |
| Bonifaz und Virgil : Konflikt zweier Kulturen | Ó Néill, Pádraig | Article in Book | | 1985 |
| Brief memoirs of all the Bishops of Derry since the Reformation : with a sketch of the early history of the See | Maturin, Edmund | Monograph or Collective Volume | James Hempton | 1867 |
| Briseadh an Athar Mícheál Ó hIceadha, Samhradh 1909 | Briody, Mícheál | Article in Journal | | 2009 |
| Butler archbishops of Cashel | Butler, George | Article in Journal | | 1978 |
| Calendar of Bray papers | Meagher, Claude | Article in Journal | | 1970 |
| Calendar of the letters of the Butler archbishops of Cashel (1750-92) | Donovan, Imelda | Thesis | | 1970 |
| Calendar of the papers of Dr Bray, archbishop of Cashel and Emly (1792-1820) | Meagher, Claude | Article in Journal | | 1968 |
| Canonical faculties on the Irish mission in the reign of Queen Elizabeth, 1558-1603 | Jones, F. M. | Article in Journal | | 1953 |
| Caoineadh ar an Easpag Ó Siochfhradha | De Brún, Pádraig | Article in Journal | | 1981 |
| Caoineadh ar Dhoncha Mac Cártha, easpag Chorcaí, 1712-1726 | Hamilton, Pádraig | Article in Journal | | 1993 |
| Cardinal Cullen : biographical materials | Curran, M. J. | Article in Journal | | 1955 |
| Cardinal Cullen and the National Association of Ireland | Corish, Patrick J. | Article in Book | | 1987 |
| Cardinal Logue, primate of all Ireland : story of a life spent in the service of God and country | Logue, Michael | Monograph or Collective Volume | Nugent | 1925 |
| Cardinal Ludovico Ludovisi (1595-1632) | Burns, C. S. (Charles S.) | Article in Book | | 2008 |
| Cardinal Manning : a biography | Gray, Robert | Monograph or Collective Volume | [s.n.] | 1985 |
| Cardinal Moran and the A.L.P. : a study in the encounter between Moran and socialism, 1890-1907 | Ford, Patrick K. | Monograph or Collective Volume | Melbourne UP|Cambridge University Press | 1966 |
| Cardinal Patrick Francis Moran | Ellis, William | Article in Journal | | 1983 |
| Cardinal Patrick O'Donnell and Scotland | Canning, B. J. (Bernard J.) | Article in Journal | | 2001 |
| Cardinal Paul Cullen | Larkin, Emmet | Article in Book | | 1998 |
| Cardinal Paul Cullen and his world | | Monograph or Collective Volume | Four Courts | 2011 |
| Cardinal William Conway, 1913-1977 | McGarry, J. G. | Article in Journal | | 1977 |
| Cardinal Wiseman and his associations with south Kilkenny | Dowling, Daniel | Article in Journal | | 1974 |
| Cardinal Wiseman in Ballinasloe | Maguire, S. J. | Article in Journal | | 1951 |
| Catholic Devotion in Victorian Scotland | Aspinwall, Bernard | Article in Book | | 2008 |
| Ceallach, easpag Chill Ala sa seu haois | Ó Dubhtaigh, Seán | Article in Journal | | 1982 |
| Celebrating 200 years of St Colman's Church, Cloyne | Hartnett, MargaretLyons, PatriciaTerry, Kevin | Monograph or Collective Volume | Cloyne Parish | 2015 |
| Celtic saints : a note | Morris, John | Article in Journal | | 1957 |
| Chains to be broken : a personal reflection on Northern Ireland and its people | Eames, Robin, 1937- | Monograph or Collective Volume | Weidenfeld and Nicolson | 1992 |
| Charles Eyne (1817-1902) | Lawlor, J. M. | Article in Journal | | 1984 |
| Charles Inglis : A bishop from Glencolmcille | Mac Cuinneagáin, Conall | Article in Journal | | 2009 |
| Charles Inglis of Glencolumbkille : a pioneer bishop of the New World | Jackson, Robert Wyse | Monograph or Collective Volume | A.P.C.K. | 1962 |
| Charles Inglis of Glencolumbkille : a pioneer bishop of the New World | Jackson, Robert Wyse | Monograph or Collective Volume | A.P.C.K. | 1963 |
| Charles McNally, Maynooth professor and bishop of Clogher | Kerr, Donal A. | Article in Journal | | 1981 |
| Charleston's bishop John England and American slavery | Kelly, Joseph | Article in Journal | | 2001 |
| Christianity in Roman Britain to AD 500 | Thomas, Charles | Monograph or Collective Volume | NA | 1981 |
| Chronicle : installation of the most Reverend Cahal Brendan Daly as archbishop of Armagh and primate of all Ireland | Anonymous | Article in Journal | | 1991 |
| Church and politics : the last twenty-five years | Ryan, Liam | Article in Journal | | 1979 |
| Church organisation in Ireland, A.D. 650 to 1000 | Etchingham, Colmán | Monograph or Collective Volume | Laigin Publications | 1999 |
| Colla Dubh Mac Mahon, his ancestors and descendants | Ó Mórdha, P. | Article in Journal | | 1974 |
| Columbanus and the Gallic Bishops | Stancliffe, Clare | Article in Book | | 2006 |
| Commemorating Croke : ethnic nationalism as spectacle | Ó Drisceoil, Mary | Article in Journal | | 2004 |
| Commentarius Rinuccinianus ....1645-1649, Vol. 6 | Kavanagh, Stanislaus,White, Newport B. | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1949 |
| Complaint against Miler McGrath, 1591 | Ó Mearáin, Lorcán | Article in Journal | | 1957 |
| Consecration of Abp. Carpenter - 1770 June 3 | Curran, M. J. | Article in Journal | | 1955 |
| Contrasting similarities : Bishops Troy and Lisovskii in Ireland and Belorussia in the age of the French Revolution | Flynn, James T. | Article in Journal | | 2001 |
| Cornerstone of memory : John Hughes & St. Patrick's Cathedral: sixteenth Ernie O'Malley lecture, 2014 | Casey, Marion R. | Article in Journal | | 2015 |
| Cornerstone of Memory: John Hughes & St. Patrick's Cathedral: Sixteenth Ernie O'Malley Lecture, 2014 | Casey, Marion R. | Article in Journal | | 2015 |
| Correspondence between Bishop O'Dwyer and Bishop Foley on the Dublin Rising, 1916-17 | O'Callaghan, Edward P. | Article in Journal | | 1978 |
| Count Ó Donel proposes a coadjutor for the see of Raphoe, 1777 | O'Donnell, Terence | Article in Journal | | 1954 |
| Croke of Cashel : the life of Archbishop Thomas William Croke, 1823-1902 | Tierney, Mark | Monograph or Collective Volume | Gill & Macmillan | 1976 |
| Dagger John : Archbishop John Hughes and the Making of Irish America | Loughery, John | Monograph or Collective Volume | Cornell University Press | 2018 |
| Dán ar Phádraig Mac Síomóin | Ó Fiaich, Tomás | Article in Journal | | 1960 |
| Daniel Delany, bishop of Kildare and Leighlin (1787-1814) and the commencement of the veto controversy in Ireland | Power, Ann | Article in Journal | | 2011 |
| Daniel Mannix and Ireland | Kiernan, Colm | Monograph or Collective Volume | Alella Books|Gill & Macmillan | 1983 |
| Daniel Mannix and Ireland | Kieran, Colm | Monograph or Collective Volume | [s.n.] | 1985 |
| Daniel Mannix, Archbishop of Melbourne | Murphy, Frank P. | Monograph or Collective Volume | Advocate Press | 1948 |
| Daniel Mannix, Ireland and Australia | Kiernan, Colm | Article in Book | | 1984 |
| Daniel Mannix, priest and patriot | Gilchrist, Michael | Monograph or Collective Volume | [s.n.] | 1982 |
| Daniel Murray, 1768-1852 | Flannery, Maeve | Article in Journal | | 2008 |
| Daniel Murray, archbishop of Dublin, 1823-1852 | Lysaght, Moira | Article in Journal | | 1974 |
| Daniel Murray, archbishop of Dublin, 1823-1852 | Murray, P. J. | Article in Journal | | 1985 |
| Das Papsttum und die bayerische Kirche - Bonifatius als Gegenspieler Virgils | Schmidinger, Heinrich | Article in Book | | 1985 |
| David Moriarty (1814-77) : 1, the making of a bishop | O'Shea, Kieran | Article in Journal | | 1972 |
| David Moriarty (1814-77) : 4, ecclesiastical affairs | O'Shea, Kieran | Article in Journal | | 1973 |
| David Rothe | Hegarty, Maureen | Article in Journal | | 1979 |
| David Rothe's attestation in favour of William Brennan | Ó Macháin, Pádraig | Article in Journal | | 2004 |
| David Rothe, bishop of Ossory 1618-50 | Corish, Patrick J. | Article in Journal | | 1984 |
| Davide Moriarty's episcopal leadership in the diocese of Kerry, 1854-77 | Rafferty, Oliver P. | Article in Book | NA | 2020 |
| De praesulibus Hiberniae potissimis Catholicae religionis in Hibernia serendae, propagandae, et conservandae authoribus, 1 : Provinces of Armagh and Dublin; 2 : Provinces of Cashel and Tuam. 2 vols. | Lynch, John, d. in or after 1677 | Monograph or Collective Volume | The Stationery Office | 1944 |
| De Valera and Archbishop Daniel Mannix | Broderick, Joe | Article in Journal | | 1994 |
| Death comes to the archbishop | Dempsey, Anthony | Article in Journal | | 1939 |
| Decreta of late eleventh-century Irish bishops-elect | Holland, Martin
| Article in Journal | | 2010 |
| Degen of Kilconriola | Lawlor, H. C. (Henry Cairnes), 1870-1943 | Article in Journal | | 1938 |
| Deliberate provocation or reforming zeal? John Bale as first Church of Ireland bishop of Ossory (1552-1563) | Walsh, Katherine | Article in Book | | 2003 |
| Denis Maguire OFM, Bishop of Kilmore 1770-98 | Duffy, Francis | Article in Journal | | 1997 |
| Deoisí na hÉireann i ndiaidh Shionaid Cheanannais, 1152 - Téacsanna | Ó Ciobháin, Breandán | Article in Journal | | 1973 |
| Deoisí na hÉireann i ndiaidh Shionaid Cheannannais, 1152 - foinsí éagsúla | Ó Ciobháin, Breandán | Article in Journal | | 1973 |
| Deoisí na hÉireann i ndiaidh Shionaid Cheannannais, 1152 - nótaí téacsa | Ó Ciobháin, Breandán | Article in Journal | | 1973 |
| Deoisí na hÉireann i ndiaidh Shionaid Cheannannais, 1152 - Téacsanna | Ó Ciobháin, Breandán | Article in Journal | | 1973 |
| Derry : an outline history of the diocese | Bonner, Brian | Monograph or Collective Volume | Foilseachain Naisiunta Teo | 1982 |
| Dictionary of the American hierarchy (1789-1964) | Code, J. B. | Monograph or Collective Volume | Wagner | 1964 |
| Diocesan dimensions of a die-hard dispute : Richard FitzRalph and the friars in evolving perspective | Haren, Michael | Article in Book | | 2006 |
| Diocese of Kilmore : it's [sic] bishops and priests, 1136-1988 | MacKiernan, Francis J. | Monograph or Collective Volume | Breifne Historical Society | 1989 |
| Diocese of Raphoe, 1773-1805 | Silke, John J. | Article in Journal | | 1985 |
| Diolaim beag cuinahne ar an Chairdinéal Ó Fiaich agus and Réalt | Ní Thuama, Máire | Article in Journal | | 1992 |
| Documents relating to the appointment of John Stafford as coadjutor to the bishop of Ferns, 1772 | Corish, Patrick J. | Article in Journal | | 1972 |
| Dominic Maguire, O. P. Archbishop of Armagh : 1684-1707 | Fenning, Hugh | Article in Journal | | 1999 |
| Dominick Bellew, 1745-1813 : parish priest of Dundalk and bishop of Killala | Hoban, Brendan | Article in Journal | | 1972 |
| Donald Caird : Church of Ireland bishop, Gaelic churchman : a life | Dwane, Aonghus | Monograph or Collective Volume | Columba Press | 2014 |
| Donegal and Derry bishops help decide 1911 North Tyrone by-election | Dooher, John | Article in Journal | | 2010 |
| Dr Charles McNally's 'Relationi Status', October 1853 | Anonymous | Article in Journal | | 1989 |
| Dr Cullen's appointment to Armagh 1849 | Macaulay, Ambrose | Article in Journal | | 1980 |
| Dr Dermot O'Hurley | Gavin, Tadg | Monograph or Collective Volume | Catholic Truth Society | 1963 |
| Dr James Donnelly, bishop of Clogher (1865-1893) and the ascendancy in Monaghan | Murnane, James H. | Article in Journal | | 1987 |
| Dr James Donnelly, bishop of Clogher (1865-1893) and the ascendancy in Monaghan. Part 2 | Murnane, James H. | Article in Journal | | 1988 |
| Dr James Louis O'Donnell (1737-1811), first bishop of Newfoundland | O'Connell, Philip | Article in Journal | | 1965 |
| Dr James MacDevitt and 'The Donegal Highlands' | Ó Saothraí, Séamus | Article in Journal | | 1978 |
| Dr James Magauran, bishop of Ardagh (1815-29) | Traynor, Owen | Article in Journal | | 1972 |
| Dr John Carpenter, archbishop of Dublin, 1760-86 | Mac Giolla Phádraig, B. | Article in Journal | | 1976 |
| Dr Mannix | Brennan, Niall | Monograph or Collective Volume | Angus & Robertson | 1965 |
| Dr Richard Pococke | Hegarty, Maureen | Article in Journal | | 1989 |
| Dr Richard Pococke's travels in Ireland, England and Wales | Hegarty, Maureen | Article in Journal | | 1987 |
| Dr. George Cromer, Archbishop of Armagh (1521-1543), and Henry VIII's reformation | Jefferies, Henry A. | Article in Book | | 2001 |
| Dr. James Donnelly : the early years | Ó Gallachair, Pádraig | Article in Journal | | 1984 |
| Dr. James Donnelly's letters to his Roman agent 1861-92 | | Article in Journal | | 1982 |
| Dr. Plunkett, bishop of Meath, 1779-1827 | Flood, J. M. | Article in Journal | | 1949 |
| Dr. Thomas Croke, archbishop of Cashel and Emly | Mehigan, P. D. | Article in Book | | 1942 |
| Dromore diocese, historical notes | | Monograph or Collective Volume | [s.n.] | 1939 |
| Dublin diocesan archives : an introduction | Sheehy, David C. | Article in Journal | | 1987 |
| Dublin diocesan archives : Hamilton papers (4) | Purcell, Mary | Article in Journal | | 1993 |
| Dublin diocesan archives : Hamilton papers (5) | Purcell, Mary | Article in Journal | | 1994 |
| Dublin Diocesan Archives : Hamilton Papers (6) | Purcell, Mary | Article in Journal | | 1995 |
| Dublin Diocesan Archives : Hamilton papers (9) | Purcell, Mary | Article in Journal | | 1998 |
| Dublin Diocesan archives : Murray papers (4) | Purcell, Mary | Article in Journal | | 1984 |
| Dublin diocesan archives : Murray Papers (6) | Purcell, MarySheehy, David C. | Article in Journal | | 1986 |
| Dublin diocesan archives : Murray Papers (7) | Sheehy, David C. | Article in Journal | | 1987 |
| Dublin's forgotten archbishop : Daniel Murray, 1768-1852 | Kerr, Donal A. | Article in Book | | 2000 |
| Early bishops of Lismore | Power, P. | Article in Journal | | 1946 |
| Eccentric archbishop : Richard Whately of Redesdale | MacMahon, Bryan, 1949- | Monograph or Collective Volume | Kilmacud-Stillorgan Local History Society | 2005 |
| Edward J. Byrne 1872-1941 : the forgotten archbishop of Dublin | Morrissey, Thomas J. | Monograph or Collective Volume | Columba Press | 2010 |
| Edward Synge : the Dysert proselytiser | Enright, Flan | Article in Journal | | 1982 |
| Edward Thomas O'Dwyer | Rushe, John | Article in Journal | | 1981 |
| Eimhear MacMahon Clogher's soldier-bishop | Ó Mórdha, Séamus | Article in Book | | 1940 |
| Elphin and Ross seek Franciscans as bishops, 1649-1651 | Millett, Benignus | Article in Journal | | 1993 |
| Emigrant and emigré : George Thomas Plunkett, bishop of Aillfinne (1814-1827) | McGreevey, John Joseph | Monograph or Collective Volume | The author | 1992 |
| Eoin Baiste Mac Sleighne, easpag (1693-1712), agus patrún ar an léann Gaelach | Ó Conchúir, Breandán | Article in Book | | 1983 |
| Episcopal appointments and ecclesiastical gravamina during Prince Edward's lordship of Ireland | O'Brien, Alphonsus | Thesis | | 1961 |
| Episcopal decision-making in Ireland | Keogh, Dermot | Article in Book | | 1992 |
| Episcopal elections in Ireland, c.1254-72 | O'Brien, A. F. | Article in Journal | | 1973 |
| Episcopal hierarchy in Connacht and Tairdelbach Ua Conchobair | Etchingham, Colmán | Article in Journal | | 2000 |
| Episcopal succession of Ross in the fifteenth century | Kiely, M. A. | Article in Journal | | 1936 |
| Episcopal visitations of the dioceses of Cloyne and Ross, 1785-1828 [with index] | Derr, Eric A. | Article in Journal | | 2013 |
| Episcopal warriors in the British wars of religion | Hibbard, Caroline M., 1942- | Article in Book | | 1991 |
| Episcopi vagantes in church history | MacDonald, A. J. | Article in Journal | | 1940 |
| Epistolary and emotional education : the letters of an Irish father to his daughter, 1747-1752 | Ruberg, Willemijn | Article in Journal | | 2008 |
| Ethnic tensions, episcopal leadership and the emergence of the twentieth century American Catholic church : the Cleveland experience | Leonard, Henry B. | Article in Journal | | 1985 |
| Eugenius, bishop of Ardmore and Suffragan at Lichfield (1184-5) | O'Connor, Donal | Article in Journal | | 2004 |
| Explaining parochial and diocesan boundaries | Cullen, Seamus | Article in Book | | 1999 |
| Extracts from some issues of 'Archivium Hibernicum' and 'Collectanea Hibernica' concerning Killala diocesan affairs up to 1800 | MacHale, Edward | Article in Journal | | 1989 |
| Extracts relating to Co. Louth from the Calendar of the register of Primate Nicholas Fleming | Gwynn, Aubrey | Article in Journal | | 1949 |
| Faith and fatherland : the 'Irish News', the Catholic hierarchy and the management of dissidents | Buckley, Pat | Monograph or Collective Volume | Belfast Historical and Educational Society | 1991 |
| Faith and patronage : the political career of Flaithrí Ó Maolchonaire, c.1560-1629 | Hazard, Benjamin | Monograph or Collective Volume | Irish Academic Press | 2009 |
| Faith or fatherhood? Bishop Dunboyne's dilemma : the story of John Butler, Catholic bishop of Cork 1763-1787 | Costello, Con | Monograph or Collective Volume | Woodfield Press | 2000 |
| Fall from grace | Broderick, Joe | Monograph or Collective Volume | Brandon | 1992 |
| Father Tom : an authorised portrait of Cardinal Tomás Ó Fiaich | Fitzgerald, B. | Monograph or Collective Volume | Fount | 1990 |
| Ferns | Furlong, Nicholas | Article in Book | | 1999 |
| Finding an archbishop : the Whigs and Richard Whately in 1831 | Giustino, David de | Article in Journal | | 1995 |
| Fitzpatrick's Boston, 1846-1866 : John Bernard Fitzpatrick, third bishop of Boston | O'Connor, Thomas H. | Monograph or Collective Volume | Northeastern UP | 1984 |
| Flaithrí Ó Maolchonaire | Hazard, Benjamin | Article in Book | | 2018 |
| Flaithrí Ó Maolchonaire and the Red Hand of Ulster | Hazard, Benjamin | Article in Journal | | 2010 |
| Florence Conry, archbishop of Tuam | Jennings, Brendan | Article in Journal | | 1949 |
| Florence Conry, Archbishop of Tuam, 1608–1629 | Neary, J. | Article in Journal | | 1911 |
| Four Cork bishops | O'Mahony, Eoin | Article in Journal | | 1941 |
| Four Scottish crosiers and their relation to the Irish tradition | Michelli, Perette E. | Article in Journal | | 1987 |
| Franciscan bishops of Irish dioceses active in medieval England : a guide to materials in English libraries and archives | Robson, Michael | Article in Journal | | 1996 |
| Fraternising with papists : an Anglican clergyman abroad | Finnegan, Rachel | Article in Book | | 2015 |
| Friars in the cathedral : the first Franciscan bishops, 1226-1261 | Thomson, W. R. | Monograph or Collective Volume | Pontifical Institute of Mediaeval Studies | 1975 |
| From Hiberno-Norse to Anglo-Norman, c.1030-1300 | Kinsella, Stuart | Article in Book | | 2000 |
| From the archives : 'His Grace is not pleased' | McQuaid, John Charles, bishop, 1895-1973 | Article in Journal | | 1998 |
| From Tuam to Ballyspellan | Ó Fearghail, Feargus | Article in Journal | | 1987 |
| Frontiers in the Irish church - regional and cultural | Simms, Katharine | Article in Book | | 1995 |
| Galileo and Peter Lombard | McMullin, Ernan | Article in Journal | | 2007 |
| Gallicanism and the veto controversy : church, state and Catholic community in early nineteenth-century Ireland | Leighton, C. D. A. | Article in Book | | 1990 |
| Genealogy : 'Annie's son' : Ann Carragher mother of Thomas James Fee : Tomás Ó Fiaich, archbishop of Armagh, created cardinal 30 June 1979 | Caraher Family History Society | Monograph or Collective Volume | Caraher Family History Society | 1991 |
| Gentlemen-bishops and faction fighters : the letters of bishops O Donel, Lambert, Scallan and other Irish missionaries | Byrne, Cyril J.Ó Donel, James Louis | Monograph or Collective Volume | Jesperson Press | 1984 |
| George Berkeley : his connections with north Cork | Forde, Robert | Article in Journal | | 1992 |
| George Berkeley : idealism and the man | Berman, David | Monograph or Collective Volume | Oxford University Press | 1994 |
| George Berkeley the Islander : some reflections on utopia, race, and tar-water | Fabricant, Carole | Article in Book | | 2003 |
| George Berkeley, 1685-1753 | Jessop, T. E. | Article in Journal | | 1953 |
| George Berkeley, Bishop of Cloyne | Ó Loinsigh, Pádraig | Article in Book | | 1994 |
| George Brown, archbishop of Dublin, 1536-1554 | Bradshaw, Brendan I., Rev. | Thesis | | 1966 |
| George Browne, first Reformation archbishop of Dublin, 1536-54 | Bradshaw, Brendan | Article in Journal | | 1970 |
| George Joseph Plunkett Browne | Coen, Martin | Article in Journal | | 1978 |
| George Montgomery the first bishop of the established church in Derry | Meehan, Helen | Article in Journal | | 2011 |
| George Montgomery, first Protestant Bishop of Clogher (1605-1621) | Jefferies, Henry A. | Article in Journal | | 1999 |
| George Montgomery, first Protestant bishop of Derry, Raphoe and Clogher (1605-10) | Jefferies, Henry A. | Article in Book | | 2000 |
| George Thomas Plunkett, bishop of Elphin, 1814-1827 | McGreevy, John | Article in Book | | 2006 |
| Gervase of Tilbury’s Irish Bishops | Breeze, Andrew | Article in Journal | | 2004 |
| Gilbert O Tighernaigh : bishop of Annaghdown, c.1306-23 | Robson, M. | Article in Journal | | 1996 |
| Gilla Mic Liag Mac Ruaidhri, primate of Armagh, 1137-1174 | Gogarty, Thomas | Article in Journal | | 1918 |
| Gille of Limerick (c.1072-1145), an Irish canonist | Fleming, John | Article in Book | | 2009 |
| Gillebert of Limerick : the Prelate's present to the Primate of England | Lucey, John | Article in Journal | | 2006 |
| Gillebert of Limerick as an Irish saint: a case of mistaken identity | Lucey, John | Article in Journal | | 2010 |
| Giraldus Cambrensis : the growth of the Welsh nation. | Richter, Michael, 1943-2011 | Monograph or Collective Volume | NA | 1976 |
| Godfrey Day, missionary, pastor and primate : a memoir | Hartford, R. R. | Monograph or Collective Volume | Talbot Press | 1940 |
| Goethe and Lord Bristol, bishop of Derry | Hennig, John | Article in Journal | | 1947 |
| Golden jubilee, 1931-81 : dedicated to most Rev. Donal J. Herlihy, bishop of Ferns, on the occasion of the golden jubilee of his priesthood, 4th April 1981 | Anonymous | Monograph or Collective Volume | Hugh O'Byrne | 1981 |
| Great men we have given to history : Ted O'Riordan looks at the life of Dr Mannix, archbishop of Melbourne | O'Riordan, Ted | Article in Journal | | 1987 |
| Handbook of British chronology | | Monograph or Collective Volume | Cambridge University Press | 1996 |
| Heber Mac Mahon, soldier bishop of the Confederation of Kilkenny | Moore, S. P. | Article in Journal | | 1952 |
| Heber Macmahon, Bishop of Clogher (d. 1650) | Millett, Benignus | Article in Journal | | 1997 |
| Henry II, the Council of Cashel and the Irish bishops | Flanagan, Marie Therese | Article in Journal | | 1996 |
| Henry Robert McAdoo - a tribute | Carroll, Thomas G. | Article in Journal | | 1999 |
| Historical notices of the Anglican Archbishops of Armagh, Primates of All Ireland, during the nineteenth century | Garstin, John Ribton | Monograph or Collective Volume | W. Tempest, for private circulation. | 1900 |
| History of the Catholic Diocese of Dublin | | Monograph or Collective Volume | Four Courts Press | 2000 |
| History of the diocese of Dublin, 1 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1956 |
| Hobbes, Bramhall and the politics of liberty and necessity : a quarrel of the Civil Wars and Interregnum | Jackson, Nicholas D. | Monograph or Collective Volume | Cambridge University Press | 2007 |
| Hold firm : John Charles McQuaid and the second Vatican Council | Carty, Francis Xavier | Monograph or Collective Volume | Columba | 2007 |
| How the diocese of Meath came to be | Walsh, Paul, Revd, 1885-1941 | Article in Book | | 1938 |
| Hugh Boulter, Lord Archbishop of Armagh | O'Sullivan, Seán | Article in Journal | | 1983 |
| Hugh McCaghwell, O.F.M., archbishop of Armagh (+ 1626) : aspects of his life | Giblin, Cathaldus | Article in Book | | 1995 |
| Hugh McMahon, bishop of Clogher, 1707-15, and archbishop of Armagh, 1715-37 | Flynn, L. J. | Article in Journal | | 1973 |
| Hughes: lion of American Catholicism | McCann, Richard Daniel | Monograph or Collective Volume | E-Book Time | 2017 |
| Images of Berkeley | Berman, DavidHoughton, RaymondLapan, Maureen T. | Monograph or Collective Volume | National Gallery of Ireland and Wolfhound Press | 1986 |
| Improving clergymen, 1660-1760 | Barnard, T. C. (Toby Christopher) | Article in Book | | 1995 |
| Improving the housing conditions for the Irish migratory potato workers in Scotland : the work of the Bishops' (Gresham) Committee, 1920-1923 | Holmes, Heather | Article in Journal | | 1998 |
| In communion with the Irish saints | Jones, Patrick | Article in Book | | 2012 |
| In search of St. Lawrence O'Toole 1128-1180 | Tyrrell, Alma Brooke | Article in Journal | | 1982 |
| In the name of God and Ireland : the conflict between the Catholic bishops and militant republicans in Ireland, 1922-5 | McCabe, Michael P., 1977- | Thesis | | |
| Index to the Hamilton papers | Anonymous | Article in Journal | | 2001 |
| Insights into fifty years of episcopal elections (1774-1824) | Bolster, M. A. | Article in Journal | | 1972 |
| Inspired educator and ecumenist of roots | O'Carroll, Michael | Article in Journal | | 1998 |
| Inspiring hope : questions of purpose and audience in The Vocacyon of Johan Bale | Almasy, Rudolph P. | Article in Journal | | 2002 |
| Intrepid Donegal ecclesiastic of the sixteenth century : the Most Rev. Donald McGonagle, D.D., bishop of Raphoe 1562-89 | Conaghan, Charles | Article in Journal | | 1976 |
| Introduction | Scott, Brendan | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| Introduction : 'the angel of St. Patrick's is now the guardian of the Kingdom' | Fauske, Christopher J. | Article in Book | | 2004 |
| Ireland and Anglo-papal relations, 1880-5 | Woods, C. J. (Christopher John) | Article in Journal | | 1972 |
| Ireland and Rome in the eleventh century | Gwynn, Aubrey | Article in Journal | | 1941 |
| Ireland sends India a noble prelate | Corbett, T. | Monograph or Collective Volume | Little Flower Press | 1955 |
| Ireland, religion and reform : Archbishop Richard Whately, 1831-63 | Boylan, Ciara M. | Thesis | | |
| Irish bishop in a Moorish prison | Mooney, Canice | Article in Journal | | 1940 |
| Irish bishops, their biographers and the experience of revolution | McCafferty, John | Article in Book | | 2011 |
| Irish episcopal meetings, 1788-1882 : a juridico-historical study | Cannon, Sean | Monograph or Collective Volume | Pontifical University | 1979 |
| Irish exiles in Catholic Europe | Giblin, Cathaldus | Monograph or Collective Volume | Gill | 1971 |
| Irish Franciscan archbishop of Dublin : Thomas Fleming, 1623-1655 | Barrett, Fergus | Article in Journal | | 1941 |
| Irish Franciscan bishops | Mooney, Canice | Article in Journal | | 1949 |
| Is iad is abhar glóirithe dom | Ó Láimhín, Peadar | Article in Book | | 2000 |
| J. K. L.'s letter on the union of churches | McNamee, Brian | Article in Journal | | 1969 |
| James Alypius Goold, O.S.A., first archbishop of Melbourne | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1988 |
| James Browne (b.1842) : his life and episcopal ministry : Bishop of Ferns 1884-1917 | Cosgrave, NicholasCosgrave, William | Monograph or Collective Volume | [The authors] | 2010 |
| James Browne, Bishop of Kilmore, 1829-65 | Kerr, Donal A. | Article in Journal | | 1983 |
| James Caulfield Bishop of Ferns 1786-1814 | Corish, Patrick J. | Article in Journal | | 1996 |
| James Charles McGuigan : first cardinal from English Canada | McGuigan, Peter | Article in Book | | 1988 |
| James Doyle (J.K.L.), bishop of Kildare and Leighlin, and the Roman Catholic relief movement, 1822-5 | Power, Conleth J. | Thesis | | 1968 |
| James Duhig | Boland, T. P. | Monograph or Collective Volume | University of Queensland Press | 1986 |
| James Gibbs in Ireland : Newbridge, his villa for Charles Cobbe, archbishop of Dublin | Cobbe, AlecFriedman, Terry | Monograph or Collective Volume | The Cobbe Foundation in association with the Irish Georgian Society | 2005 |
| James Murphy, bishop of Clogher, 1801-24 | Ó Dufaigh, Seosamh | Article in Journal | | 1968 |
| James Naughton, Bishop of Killala, 1911-1950 : the man, his life, in particular his laws | Rogan, Eddie | Article in Journal | | 1992 |
| James Ussher : theology, history, and politics in early-modern Ireland and England | Ford, Alan, 1956- | Monograph or Collective Volume | Oxford University Press | 2007 |
| James Ussher and the "Ussherian" episcopacy, 1640-16556: the primate and his 'Reduction' manuscript | Abbott, W. M. | Article in Journal | | 1990 |
| James Ussher, archbishop of Armagh | Trevor-Roper, Hugh Redwald, baron Dacre, 1914-2003 | Article in Book | | 1989 |
| James Vincent Cleary (1828-1898) | O'Neill, Assumpta | Article in Journal | | 2000 |
| Jeremy Taylor | Williamson, H. R. | Monograph or Collective Volume | | 1952 |
| John Allen Fitzgerald Gregg, archbishop | Seaver, George | Monograph or Collective Volume | Faith P.|Hodges Figgis | 1963 |
| John Bale (1495-1563) | O'Neill, William, Rev. | Thesis | | 1970 |
| John Bale, bishop of Ossory, 1552-3 | Ellis, Steven G., 1950- | Article in Journal | | 1984 |
| John Bramhall and Anglicanism : 1663-1963 | McAdoo, H. R. | Monograph or Collective Volume | A.P.C.K. | 1964 |
| John Brinkley, D.D. (1763-1835) | Ó Loinsigh, Pádraig | Article in Book | | 1994 |
| John Butler, baron of Dunboyne and bishop of Cork 1763-1787 | O'Mahony, Eoin | Article in Journal | | 1969 |
| John Cardinal McCloskey | Mullan, Desmond | Article in Journal | | 1979 |
| John Carroll and Louisiana | Melville, Annabelle M. | Article in Journal | | 1978 |
| John Charles McQuaid : archbishop of Dublin, 1940-72 | McMahon, Deirdre | Article in Book | | 2000 |
| John England of Charleston - Carlow's greatest Corkman | Lynch, Martin | Article in Journal | | 1999 |
| John Foxholes Franciscan Archbishop of Armagh 1471-74 | Millett, Benignus | Article in Journal | | 1999 |
| John Frederick MacNeice : bibliography of printed works | Anonymous | Article in Journal | | 1993 |
| John Gorman (1820-1846) | Mitchell, Kilian J. | Article in Journal | | 2001 |
| John Henry Bernard 1860-1927 : a study of a leader of the southern Unionists | MacCarthy, R. B. (Robert B.) | Monograph or Collective Volume | Linden Publishing | 2008 |
| John Henry Newman : centenary essays | Newman, John Henry, cardinal, 1801-1890 | Monograph or Collective Volume | Burns & Oates | 1945 |
| John Joseph Hughes (1797-1864), first archbishop of New York | Canning, B. J. (Bernard J.) | Article in Journal | | 1964 |
| John Leslie : the Protestant bishop of Raphoe (1633-1661) and his castle | McCarron, FrankSpears, Arthur | Article in Journal | | 2000 |
| John Lynch's history of the Irish bishops | Brady, John, d.1963 | Article in Journal | | 1945 |
| John MacEvilly, 1816-1902 | Bane, Liam | Thesis | | 1979 |
| John MacHale, archbishop of Tuam | Costello, Nuala | Monograph or Collective Volume | Talbot Press | 1939 |
| John McHale and John MacEvilly : conflict in the nineteenth- century Catholic hierarchy | Bane, Liam | Article in Journal | | 1984 |
| John McHale, Archbishop of Tuam | Lyons, John | Article in Journal | | 1984 |
| John Thomas Troy, Archbishop of Dublin, 1786-1823 : a man of his times | O'Donoghue, Patrick | Article in Book | | 1990 |
| John Travers Lewis : an Irish high churchman in Canada West | Clapson, Clive | Article in Journal | | 1980 |
| Joseph Dixon and the archdiocese of Armagh, 1852-1866 | McKinney, Amy | Thesis | | 2008 |
| Josiah Hort (1674?-1751), Bishop of Ferns. 'A Rake, a Bully, a Pimp, or Spy' and 'Bp Judas' | Comerford, Patrick | Article in Journal | | 2013 |
| Kevin : a portrait of Archbishop Kevin McNamara | Power, Louis | Monograph or Collective Volume | [s.n.] | 1993 |
| Kildare before the Normans : "an episcopal and conventual see" | Etchingham, Colmán | Article in Journal | | 2000 |
| Killala diocese, 1840-45 : the political background | MacHale, E. | Article in Journal | | 1986 |
| Killaloe’s eighteenth-century Anglican bishops : a biographical survey | Falvey, J. | Article in Journal | | 1995 |
| King Guaire and Bishop Cellach | Knox, H. T. (Hubert Thomas) | Article in Journal | | 1902 |
| La diocesi di Armagh e l'arcivescovo Fiorentino Ottaviano del Palagio, 1480-1513, incluso un regesto del suo registro arcivescovile [The diocese of Armagh and the Florentine archbishop Octavian de Palatio, 1480-1513, including a calendar of his archiepiscopal register] | Sughi, Mario | Thesis | | 1996 |
| Lamenting the death of Dr. Edmund Byrne, Archbishop of Dublin, in 1723 : exploring the connection between letters and poems | Mac Mathúna, Liam | Article in Journal | | 2013 |
| Lanfranc and the Irish church | Gwynn, Aubrey | Article in Journal | | 1941 |
| Laurence O'Toole - the lost leader | Tracy, Frank | Article in Journal | | 2006 |
| Lay Abbots : Should We Return to the Earlier Church Practice? | De Bhaldraithe, Eoin | Article in Journal | | 2008 |
| Lecky and the Irish university question | McCartney, Donal | Article in Journal | | 1967 |
| Leighlin diocese : its ancient boundaries and divisions | O'Toole, Edward | Monograph or Collective Volume | St Mary's College, Knockbeg | 1936 |
| Leon an Iarthair : aisti ar Sheán Mac Héill, Ardeaspag Thuama 1834-1881 | | Monograph or Collective Volume | Clóchomhar | 1983 |
| Letter to John Vesey, bishop of Tuam, July 1711 | Ó Murchadha, Ciarán | Article in Journal | | 2008 |
| Letters from the distant past : Killala diocese in the papal letters and annates, c.1200-1500 | MacHale, E. | Monograph or Collective Volume | MacHale | 1991 |
| Letters written by his excellency, Hugh Boulter, D.D., lord primate of all Ireland | Anonymous | Monograph or Collective Volume | [s.n.] | 1770 |
| Libri epistolarum sancti Patricii episcopi, part 1 : introduction text | Bieler, LudwigPatricius, Santus | Article in Journal | | 1950 |
| Libri epistolarum Santi Patricii Episcopi. Part 2 : commentary | Bieler, LudwigPatricius, Santus | Article in Journal | | 1951 |
| Life of Blessed Oliver Plunkett, archbishop of Armagh (1625-1681) | Stokes, John F. B. | Monograph or Collective Volume | Catholic Truth Society | 1954 |
| Life of St Finbarr : founder and patron of the city and diocese of Cork | O'Brien, C. M. | Monograph or Collective Volume | Killarney Printing Works | 1985 |
| Life of St Laurence O'Toole, archbishop of Dublin, 1128-1180 | Legris, Albert | Monograph or Collective Volume | | 1914 |
| Life of St Lawrence O'Toole, archbishop of Dublin, 1128-1180 | Legris, Albert | Monograph or Collective Volume | Catholic Truth Society | 1914 |
| Life of St. Malachy | Luddy, Ailbe J. | Monograph or Collective Volume | Llanerch | 1994 |
| Lorcán Ó Tuathail agus a ré | Ó Duibhir, Peadar | Article in Book | | 1982 |
| Lords of the Ascendancy : the Irish House of Lords and its members, 1600-1800 | James, Francis G. | Monograph or Collective Volume | Irish Academic Press | 1995 |
| Luke Fagan : eighteenth century prelate | Fagan, Patrick, 1922-2011 | Article in Journal | | 1992 |
| Mael Brigte mac Tornáin, pluralist coarb (†927) | Dumville, David N. | Article in Journal | | 2004 |
| Malachy O'Quealy's ancestral clan, and place of origin | Gaynor, Patrick | Article in Journal | | 1943 |
| Malchus (c.1047-1135), monk of Winchester and first bishop of Waterford | O'Connor, Donal | Article in Journal | | 2005 |
| Mary I’s Irish bishops: careers and legacies, c.1553-1579 | O’Halloran, John A. | Thesis | | 2017 |
| Matthew Gibney (1837-1925), bishop of Perth, Western Australia | Mitchell, Kilian J. | Article in Journal | | 2001 |
| Medieval Irish cathedral chapters | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1973 |
| Memoir of ... Power le Poer Trench, last Archbishop of Tuam | D'Arcy, Joseph, Sir | Monograph or Collective Volume | | 1845 |
| Memoir of the Most Rev. Oliver Plunkett, archbishop of Armagh | Plunkett, Oliver, bishop and saint, 1625-1681
| Monograph or Collective Volume | [s.n.] | 1895 |
| Memorials addressed to the Secretary of State for the House Department by Roman Catholic prelates in Ireland on the subject of university and national education in Ireland ... | Anonymous | Monograph or Collective Volume | | 1866 |
| Michael Cardinal Logue 1840-1924, part 1 | Walsh, Aisling | Article in Journal | | 1997 |
| Michael Cardinal Logue 1840-1924, part 2 | Walsh, Aisling | Article in Journal | | 1999 |
| Michael Cardinal Logue 1840-1924, Part IV - 'A Catholic ethos for a Catholic society' | Walsh, Aisling | Article in Journal | | 2005 |
| Michael Cardinal Logue, 1840-1924, striving for a Catholic education system, Part 3 | Walsh, Aisling | Article in Journal | | 2003 |
| Michael Kieran, 1803-1869, parish priest of Dundalk, 1848-1869, Archbishop of Armagh, 1866-1869 | Bellew, Tom | Article in Journal | | 1994 |
| Michael Logue and the Catholic Church in Ireland, 1879-1925 | Privilege, John | Monograph or Collective Volume | Manchester University Press | 2009 |
| Michael MacDonogh, O.P., bishop of Kilmore, 1728-46 | Fenning, Hugh | Article in Journal | | 1966 |
| Michael Peter MacMahon : bishop of Killaloe, June 5, 1765 - Februray 20, 1807 | Clancy, J. J. | Article in Journal | | 1940 |
| Michael, Cardinal Logue, 1840-1924 | Walsh, Aisling | Thesis | | 1996 |
| Miler McGrath, archbishop of Cashel (1571-1622) | Ó Mearáin, Lorcán | Article in Journal | | 1959 |
| Mister, are you a priest? : jottings by Bishop Edward Daly | Daly, Edward | Monograph or Collective Volume | Four Courts | 2000 |
| Mit dem hl. Virgil durch die Jahrhunderte der Kunst | Locicnik, Raimund A. | Article in Book | | 1985 |
| Most Rev Dr Andrew Boylan, C.S.S.P., bishop of Kilmore (1907-1910) | Mulvey, Anthony | Article in Journal | | 1991 |
| Most Rev. Dr William Turner, bishop of Buffalo, 1871-1936 | Fitzmaurice, W. | Article in Journal | | 2003 |
| Most Rev. James Ryan, D. D., coadjutor bishop of Killaloe, 1872 to 1889 | Fogarty, Michael | Article in Journal | | 1942 |
| Most Rev. Thomas McDonnell bishop of Killala, Dec. '70 - Jan. '87 : a personal tribute by Rt. Rev. P. Gallagher P.P., V.G. Crossmolina | Gallagher, Patrick | Article in Journal | | 1988 |
| Mother Leakey and the Bishop : A Ghost Story | Marshall, Peter, 1964- | Monograph or Collective Volume | Oxford University Press | 2007 |
| Muircheartach Ó Domhnalláin, easbog Chluain Fearta, 1695-1706 | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1953 |
| Muirchú’s Patrick: a bishop for the seventh century | Powell, Robert J. | Thesis | | 2011 |
| Murder at the Black Castle, Wicklow - 1645 (the life and times of Edmund O'Reilly, primate archbishop of Ireland) | O'Reilly, Edward | Article in Journal | | 1997 |
| Narcissus Marsh : groundbreaking bishop | Robinson, Andrew | Article in Book | | 2009 |
| Narcissus Marsh and his god | Gillespie, Raymond | Article in Book | | 2004 |
| Newman and the Irish Bishops | O'Connell, Marvin R. | Article in Journal | | 2004 |
| Newman commemoration, 1852-1952 : catalogue of an exhibition of books, documents and manuscripts relating to Cardinal Newman | Anonymous | Monograph or Collective Volume | Browne and Nolan | 1952 |
| Newman's idea of a university, "the Circle of the Sciences", and the constitution of the church | Peterburs, Wulstan | Article in Book | | 2005 |
| Nicholas Conaty, bishop of Kilmore, (1865-1886) | Kelly, Gabriel | Article in Journal | | 1987 |
| Nicholas Mac Maol Íosa, archbishop of Armagh (1272-1303) | Gwynn, Aubrey | Article in Book | | 1995 |
| Nicholas Warter, Franciscan Bishop of Dromore, c.1372-1448 | Robson, Michael | Article in Journal | | 2000 |
| Ninety candidates proposed for Irish dioceses, c. 1665 | Millett, Benignus | Article in Journal | | 1955 |
| No lions in the hierarchy : an anthology of sorts | Dunn, Joseph | Monograph or Collective Volume | Columba | 1994 |
| No words can tell our sorrow. A tribute to the late Cardinal Ó Fiaich | Kearns, Patrick | Article in Journal | | 1990 |
| Nobody's fool : the life of archbishop Robin Eames | McCreary, Alf | Monograph or Collective Volume | Hodder and Stoughton | 2004 |
| Nóta fán triúr príomháid de mhuintir Mhic Mhathghamhna | Ó Maolagáin, Pádraig | Article in Journal | | 1947 |
| Notes of the history of the diocese of Dromore | Keenan, Patrick | Article in Journal | | 1989 |
| Notes on episcopal succession in Ireland under Richard II | Curtis, Edmund, 1881-1943 | Article in Journal | | 1926 |
| Oilibhéar Pluincéid | Ó Fiaich, Tomás | Monograph or Collective Volume | Foilseacháin Ábhair Spioradálta | 1976 |
| Oliver : the story of the martyred archbishop of Armagh written for boys and girls | Gaffney, H. M. | Monograph or Collective Volume | Gill | 1946 |
| Oliver Kelly, Archbishop of Tuam, 1815-1834 | Claffey, Anthony J. | Article in Book | | 2006 |
| on the Beatific Vision : Delectatio and Beatitudo in his Oxford Lectues on the Sentences (1328-29) | Dunne, Michael W. | Article in Journal | | 2004 |
| On the earliest Irish acquaintance with Isidore of Seville | Herren, Michael | Article in Book | | 1980 |
| Papal infallibility and the possible Leighlin nexus. Cardinal Moran remembered on the 100th anniversary of his death | Nevin, Martin | Article in Journal | | 2011 |
| Patrick Cardinal O'Donnell | Silke, John J. | Article in Journal | | 1988 |
| Patrick Dorrian, bishop of Down and Connor, 1865-1885 | Macaulay, Ambrose | Monograph or Collective Volume | Irish Academic Press | 1987 |
| Patrick Dorrian, bishop of Down and Connor, 1865-85 | Macaulay, Ambrose | Article in Journal | | 1989 |
| Patrick Fallon : last bishop of Kilmacduagh and Kilfenora | Coen, Martin | Article in Journal | | 1984 |
| Patrick Kelly bishop of Richmond | Keane, Frank | Article in Journal | | 2004 |
| Patrick MacMahon, bishop of Killaloe, 1829-1836 | Clancy, John | Article in Journal | | 1941 |
| Patrick McAlister : Bishop of Down and Conor, 1886-95 | Macaulay, Ambrose | Monograph or Collective Volume | Four Courts | 2006 |
| Patrick O'Donnelly, 1649-1719, Bishop of Dromore. Material in the notarial files in Paris and the propaganda archives in Rome | Swords, Liam | Article in Journal | | 1993 |
| Patrick O'Scannell, O. P., archbishop of Armagh, 1261-70 | O'Halloran, Michael | Article in Journal | | 1960 |
| Patterns of episcopal leadership | Fogarty, Gerald | Monograph or Collective Volume | Macmillan | 1989 |
| Paul cardinal Cullen and the shaping of modern Irish nationalism | Bowen, Desmond | Monograph or Collective Volume | Gill & Macmillan | 1983 |
| Paul Cullen and his contemporaries : with their letters from 1820 to 1902, 5 | Mac Suibhne, Peadar | Monograph or Collective Volume | Leinster Leader | 1977 |
| Paul Cullen and his contemporaries, with their letters from 1820-1902, Vol. 2 | Mac Suibhne, Peadar | Monograph or Collective Volume | Leinster Leader | 1963 |
| Paul Cullen and his contemporaries, with their letters from 1820-1902, Vol. 3 | Mac Suibhne, Peadar | Monograph or Collective Volume | Leinster Leader | 1965 |
| Paul Cullen and his contemporaries, with their letters from 1820-1902, Vol.1 | Mac Suibhne, Peadar | Monograph or Collective Volume | Leinster Leader | 1961 |
| Paul Cullen, John Henry Newman, and the Catholic University of Ireland, 1845-1865 | Barr, Colin | Monograph or Collective Volume | University of Notre Dame Press | 2003 |
| Paul Cullen: cardinal and politician | Senior, Hereward | Article in Book | | 1978 |
| Peer pressure: the Irish House of Lords, 1780-1801 | Murphy, Charlotte | Article in Journal | | 2010 |
| Persecution and deliverance in sixteenth-century Kilkenny: The Vocacyon of Johan Bale (1553) | Boran, Elizabethanne | Article in Journal | | 2017 |
| Peter Browne, devotional writer of the eighteenth century : bishop of Cork, 1710-1735 | Jackson, Robert Wyse | Monograph or Collective Volume | A.P.C.K. | 1963 |
| Peter Lombard (1554-1625), prelate, politician, pragmatist | Smith, David | Article in Journal | | 2000 |
| Pierce Butler of Coogy. an early eighteenth-century breach of privilege case | Falvey, J. | Article in Journal | | 1994 |
| Pii antistitis icon, or the Life of Francis Kirwan, bishop of Killala, 1669 | Lynch, John, d. in or after 1677 | Monograph or Collective Volume | The Stationery Office | 1951 |
| Poem in praise of John Cantwell, archbishop of Cashel, 1452-82 | | Article in Journal | | 1962 |
| Poetry, prophecy and the printing press : William Daniel and the Reformation in Tuam | Ó hAodha, Ruairí | Article in Book | | 2013 |
| Policy and patronage : the appointment of bishops 1660-61 | McGuire, James | Article in Book | | 1995 |
| Political problems, 1850-60 | Whyte, J. H. | Monograph or Collective Volume | Gill | 1967 |
| Politics, education and religion in the age of revolution : Bishop Patrick Foley of Kildare and Leighlin, 1896-1926 | McGrath, Thomas | Article in Book | | 2008 |
| Politics, interdenominational relations and education in the public ministry of Bishop James Doyle of Kildare and Leighlin, 1786-1834 | McGrath, Thomas | Monograph or Collective Volume | Four Courts | 1999 |
| Pope Innocent III and the Ross election controversy | Dunning, P. J. | Article in Journal | | 1959 |
| Pour une réévaluation du rôle et du statut de l'évêque dans l'Irlande du haut moyen âge | Picard, Jean-Michel | Article in Journal | | 2002 |
| Pre-Reformation archbishops of Cashel | Seymour, St. John D. | Monograph or Collective Volume | Church of Ireland Printing & Publishing Co. | 1910 |
| Priests of the diocese of Kilmore : Father Michael Smith, candidate for the bishopric of Kilmore | McKiernan, Francis | Article in Journal | | 1961 |
| Primate Alexander | Neely, R. G. | Article in Book | | 1999 |
| Primate Alexander, archbishop of Armagh, a memoir | | Monograph or Collective Volume | [s.n.] | 1913 |
| Primate George Dowdall and the Marian restoration | Jefferies, Henry A. | Article in Journal | | 1998 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Primate Richard Creagh and the beginnings of the Irish Counter-Reformation | Lennon, Colm | Article in Journal | | 1997 |
| Primate Richard Creagh and the Lords of Kinelea | O'Shaughnessy, Kevin | Article in Journal | | 2002 |
| Primate Robinson 1709-94 : "a very tough incumbent in fine preservation" | Malcomson, A. P. W. | Monograph or Collective Volume | Ulster Historical Foundation | 2003 |
| Primatus Dublinensis : the primacy of the see of Dublin, or a compendium of the arguments on which the see of Dublin relies, for the enjoyment and prosecution in its own right of the primacy of Ireland | Talbot, Peter | Monograph or Collective Volume | Church of Ireland Printing and Publishing Co. | 1947 |
| Prince of the church : Patrick Francis Moran, 1830-1911 | Ayres, Philip | Monograph or Collective Volume | Miegunyah Press | 2007 |
| Profile of an immigrant bishop : the early career of John Hughes | Lannie, Vincent Peter | Article in Journal | | 1965 |
| Prosopographica Glindelechensis : the monastic church of Glendalough and its community sixth to thirteenth centuries | Mac Shamhráin, Ailbhe | Article in Journal | | 1989 |
| Quatuor sanctissimi episcopi : Irish saints before St Patrick | Sharpe, Richard | Article in Book | | 1989 |
| Réamann Ó Gallachair, bishop of Derry | Bonner, Brian | Article in Journal | | 1974 |
| Réamonn Ó Gallachair, bishop of Derry | Bonner, Brian | Article in Journal | | 1974 |
| Recovering Bishop Berkeley : virtue and society in the Anglo-Irish context | Breuninger, Scott | Monograph or Collective Volume | Palgrave Macmillan | 2010 |
| Reflections of a Newry-born priest who was secretary to three pontiffs | Magee, John | Article in Journal | | 1989 |
| Registrum Octaviani : alias Liber Niger : the register of Octavian de Palatio, archbishop of Armagh, 1478-1513 | | Monograph or Collective Volume | Irish Manuscripts Commission | 1999 |
| Regulars as Bishops: - The French Church from the Concordat of Bologna (1516) to the Revolution | Bergin. Joseph | Article in Book | | 2006 |
| Relationes inter Italiam et Hiberniam : de Donato Scoto Faesularum episcopo | Marongiu, Paula | Article in Journal | | 1998 |
| Religious renewal and reform in the pastoral ministry of Bishop James Doyle of Kildare and Leighlin | McGrath, Thomas | Monograph or Collective Volume | Four Courts | 1998 |
| Religious renewal and reform in the pastoral ministry of James Doyle, O.S.A., bishop of Kildare and Leighlin, 1819-1834 | McGrath, Thomas G. | Thesis | | 1987 |
| Report of Bishop McDonagh, 1741 | McDonagh, Michael | Article in Journal | | 1965 |
| Richard Arthur, bishop of Limerick | Moloney, Michael | Article in Book | | 1951 |
| Richard Brady OFM, bishop of Kilmore, 1580-1607 | Fennessy, Ignatius | Article in Journal | | 2000 |
| Richard Chenevix Trench 1807-1886 | Milne, Kenneth | Monograph or Collective Volume | Church of Ireland Historical Society | 2010 |
| Richard Chenevix, Bishop of Waterford : A Story of Patronage and Advancement | Trench, Lucy | Article in Journal | | 2005 |
| Richard FitzRalph : his life, times and thoughts | | Monograph or Collective Volume | Four Courts | 2013 |
| Richard FitzRalph of Dundalk (c.1300-1360) and the New World | Dunne, Michael W. | Article in Journal | | 2004 |
| Richard FitzRalph's Defensio Curatorum in transmission | Dolan, T. P. (Terence Patrick) | Article in Book | | 2006 |
| Richard Ledrede, bishop of Ossory - towards a new assessment | Brennan, James | Article in Journal | | 1998 |
| Richard Ledrede, bishop of Ossory, 1317-60: a study in change and conflict | Brennan, James | Thesis | | 2001 |
| Richard of Dundalk | Dunne, Michael | Article in Book | | 2012 |
| Richard Owens, bishop of Clogher (1894-1909) | Ó Dufaigh, Seosamh | Article in Book | | 2005 |
| Richard Pococke, Bishop of Ossory | Hartin, James | Article in Journal | | 2000 |
| Richard Talbot, archbishop and chancellor, 1418-1449 | Bernard, J. H. (John Henry), 1860-1927 | Article in Journal | | 1919 |
| Right Reverend John Barry second bishop of Savannah | Rezek, Patricia J. | Article in Journal | | 1990 |
| Rinuccini in Galway, 1647-49 | O'Riordan, Seán | Article in Journal | | 1948 |
| Ripples in the pool | Warke, R. A. | Monograph or Collective Volume | Mercier Press | 1993 |
| Rógaire easpaig : Maoilir Mac Grath | Ó Duain, Odhrán | Monograph or Collective Volume | Foilseachain Naisiunta Teo | 1975 |
| Saggio su Berkeley | Rossi, Mario Manlio | Monograph or Collective Volume | Laterza | 1955 |
| Saint Laurence O'Toole, archbishop of Dublin | Howlett, Liam | Article in Journal | | 1971 |
| Saint Laurent O'Toole, archevêque de Dublin | Legris, Albert | Monograph or Collective Volume | [s.n.] | 1908 |
| Saint Malachy, the Gill abbey of Cork, and the rule of Arrouaise | O'Sullivan, DenisWalsh, T. J. | Article in Journal | | 1949 |
| Saint Oliver of Armagh : the life of St Oliver Plunkett | Ó Fiaich, Tomás | Monograph or Collective Volume | Veritas | 1981 |
| Saint Oliver Plunkett | Meagher, John | Monograph or Collective Volume | Irish Messenger Publications | 1977 |
| Saints in the catalogue of bishops of the lost 'Register of Clogher' | Ó Riain, Pádraig | Article in Journal | | 1992 |
| Scholar bishop : the recollections and diary of Narcissus Marsh, 1638-1696 | Gillespie, RaymondMarsh, Narcissus | Monograph or Collective Volume | Cork University Press | 2003 |
| Seals of Kildare bishops and dignitaries | Armstrong, E. C. R. | Article in Journal | | 1914 |
| Séamus Mhac Cúarta do chum an duan so don Easbog Ó Siadha[i] l | | Article in Journal | | 1939 |
| Séamus Ó Gallchobhair, easpag Ráth Bhoth, 1725-1737 | Ó hÉigeartaigh, Séamus P. | Article in Journal | | 1961 |
| Select bibliography relating to Armagh diocesan history | Canning, Joseph | Article in Journal | | 1988 |
| Semper fidelis : Eugene O'Callaghan, bishop of Clogher (1943-1969) | Ó Corráin, Daithí | Article in Book | | 2005 |
| Servants of Christ : a short history of the bishops of Derry since the reformation, 1605-1995 | Orr, J. C. D. | Monograph or Collective Volume | A.P.C.K. | 1997 |
| Sex, scandal and the supernatural | Marshall, Peter, 1964- | Article in Journal | | 2007 |
| Shaping Tuam, 1600-1750 : a tale of three landlords | Gillespie, Raymond | Article in Book | | 2014 |
| Shay Colm's footsteps trod | Canning, B. J. (Bernard J.) | Article in Journal | | 1993 |
| Side by side in a small country : Bishop John Frederick McNeice and Ireland | Fauske, Christopher J. | Monograph or Collective Volume | Church of Ireland Publications and Church of Ireland Historical Society | 2004 |
| Sidelights on the bishops of Raphoe from the register of Pope Innocent III | Dunning, P. J. | Article in Book | | 1959 |
| Sint Willibrord in Waalre en Valkenswaare : ostaan en ontwikkeling ener vroege christengemeenschap tot parochie | Bannenberg, G. P. J. | Monograph or Collective Volume | De Koepel | 1948 |
| Social activist | Kavanagh, James | Article in Journal | | 1998 |
| Some archbishops of Dublin | Lindsay, T. S. | Monograph or Collective Volume | Church of Ireland Printing Co. | 1928 |
| Some aspects of the life of Doctor John Thomas Troy, O. P., 1739-1823 | Peel, H. E. | Article in Journal | | 1957 |
| Some episcopal lives | Devlin, Ciarán | Article in Book | | 2000 |
| Some interactions between the English and Irish churches | Philpott, Mark | Article in Journal | | 1998 |
| Some Irish prelates who lived or died in Belgium in the seventeenth century | Antheunis, Louis | Article in Journal | | 1955 |
| Some letters of Patrick Manogue, gold miner and bishop of Nevada and California | | Article in Journal | | 1960 |
| Some metropolitan visitations of Meath in the fifteenth century | Lynch, Anthony | Article in Journal | | 1982 |
| Some notes on Killala Diocese | Neary, J. | Article in Journal | | 1913 |
| Some observations on contemporary allegations as to bishop Dominick Bellew's (1745-1813) sympathies during the 1798 rebellion in Connaught | Hogan, Patrick | Article in Journal | | 1982 |
| Some recent contributions to Cork diocesan history | Collins, John T. | Article in Journal | | 1951 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| St Malachy of Armagh, of Down and of Connor | Daly, Cathal B. | Article in Journal | | 1992 |
| St Patrick : the real story of Patrick who became Ireland's patron saint | Simms, George Otto | Monograph or Collective Volume | O'Brien Press | 1991 |
| St Patrick's letters : a study of their theological dimension by Daniel Conneely | | Monograph or Collective Volume | An Sagart | 1992 |
| St. Lorcán, the Ua Tuathail family and Glendalough | Mac Shamhráin, Ailbhe | Article in Journal | | 1998 |
| St. Oliver Plunkett : Deo Gratias | Burns, Thomas | Monograph or Collective Volume | Tommy Burns | 2000 |
| St. Richard of Dundalk | Dolan, T. P. (Terence Patrick) | Article in Book | | 2007 |
| St. Ultan and Ardbraccan | Ó hÓgartaigh, Margaret | Article in Journal | | 2003 |
| State of Raphoe diocese in early 1880s from the documents of 'De Propaganda Fide' | Anonymous | Article in Journal | | 1987 |
| Statement issued by the cardinal primate and the archbishops and bishops of Ireland on the condition of their country | Anonymous | Article in Journal | | 1942 |
| Statement of the Irish hierarchy on the condition of the country | Anonymous | Article in Journal | | 1942 |
| Stephen Brown, a medieval bishop of Ross | Webster, Charles A. | Article in Journal | | 1936 |
| Steps on my pilgrim journey : memories and reflections | Daly, Cathal B. | Monograph or Collective Volume | Veritas | 1998 |
| Styled 'boy-bishop' of Ferns : the life and turbulent times of James Keating, 1783-1849 | Rafferty, Celestine | Article in Journal | | 2010 |
| Sufficiently radical catholicism, progressivism, and the bishop's program of 1919 | McShane, Joseph | Monograph or Collective Volume | Catholic University of America Press | 1986 |
| Surviving the Reformation in Ireland (1534-80) : Christopher Bodkin, Archbishop of Tuam, and Roland Burke, Bishop of Clonfert | Connors, Thomas G. | Article in Journal | | 2001 |
| Sword and mitre : government and episcopate in France and England in the age of aristocracy | Ravitch, Norman | Monograph or Collective Volume | | 1966 |
| Sylvester Lloyd, O.F.M., bishop of Killaloe, 1728-1739 | Murphy, Ignatius | Article in Journal | | 1987 |
| Synod of Bishops 1990 : formation of priests | Lovatt-Dolan, Elizabeth | Article in Journal | | 1990 |
| Synod of Rathbreasail | Anonymous | Article in Journal | | 1986 |
| Tadhg Mac Eochaidh, easbog Chluain Fearta, 1678-1687 | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1944 |
| Temperance in Tipperary : Father Mathew and Archbishop Slattery, 1839-1854 | Quinn, John F. | Article in Journal | | 1995 |
| The 'absenting of the bishop of Armagh' : eucharistic controversy and the English origins of Irish Catholic identity, 1550-51 | Murray, James | Article in Book | | 2013 |
| The 'Eirenicon' and the 'Primitive episcopacy' of James Ussher; an Irish panacea for Britannia's ailment | Cunningham, Jack, 1964- | Article in Journal | | 2006 |
| The 'greening' of Cardinal Manning | Casey, Fergal | Article in Book | | 2013 |
| The 'imperialistic bishop of Ross' and his political influence | O'Regan, Liam | Article in Journal | | 1997 |
| The 'Processus Datariae' for Denis O'Driscoll, 1640 | Giblin, Cathaldus | Article in Journal | | 1965 |
| The 'Processus Datariea' and the appointment of Irish bishops in the seventeenth century | Giblin, Cathaldus | Article in Book | | 1957 |
| The 1872 by-election | Liffey, Michael | Article in Book | | 2003 |
| The 1990 Synod of Bishops : priestly formation | Dalton, William | Article in Journal | | 1990 |
| The 20th century : an age of change and challenge | Forde, Walter | Article in Book | | 1999 |
| The account book of an 18th century bishop | Rankin, J. Frederick | Article in Journal | | 1984 |
| The administration of the diocese of Dublin during the eighteenth century | Kennedy, Raymond Thomas | Thesis | | 1970 |
| The ancient see-lands of the bishop of Cork in the northern suburbs | Ó Buachalla, Liam | Article in Journal | | 1965 |
| The appointment of Bishop Michael Flannery and proposed revival of Roscrea diocese, 1858 | Murphy, Ignatius | Article in Journal | | 1984 |
| The appointment of Bishop Tyrrell and its consequences | Ó Fiaich, Tomás | Article in Journal | | 1955 |
| The appointment of Catholic bishops in 19th century Ireland | Whyte, J. H. | Article in Journal | | 1962 |
| The appointment of Catholic Bishops to Killaloe Diocese, 1819-50 | Murphy, Ignatius | Article in Journal | | 1983 |
| The appointment of Octavian de Palatio as archbishop of Armagh, 1477-8 | Sughi, Mario A. | Article in Journal | | 1998 |
| The appointments of Patrick Curtis and Thomas Kelly as archbishop and coadjutor archbishop of Armagh | Macaulay, Ambrose | Article in Journal | | 1982 |
| The archbishop and citizens of Dublin during Hugh de Lacy's Irish rebellion, 1223-4 | Brown, Daniel J. F. | Article in Book | | 2016 |
| The archbishop's residence at Swords : castle or country retreat? | Stalley, Roger | Article in Book | | 2006 |
| The archbishopric of Armagh and the O'Neills, 1347-1471 | Simms, Katharine | Article in Journal | | 1974 |
| The archbishops and administration of the diocese and province of Dublin, 1181-1298 | Murphy, Margaret | Thesis | | 1987 |
| The archbishops of Dublin, 1693-1786 | Fenning, Hugh | Article in Book | | 2000 |
| The archbishops of Tuam, 1700-2000 | Waldron, Kieran | Monograph or Collective Volume | Nordlaw Books | 2008 |
| The archbishops, bishops and priests who served in the Archdiocese of Dublin : 1900 to 2011 | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2012 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the eighteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the nineteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the seventeenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2010 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The Ardclinis or Glenarm crozier | Mageean, Anne | Article in Journal | | 1980 |
| The Armagh list of "coarbs of St Patrick" | Dumville, David N. | Article in Book | | 1993 |
| The Armagh registers and the re-interpretation of Irish church history on the eve of the reformations | Jefferies, Henry A. | Article in Journal | | 1999 |
| The Armagh-Clogher dispute and the "Mellifont conspiracy" : diocesan politics and monastic reform in early thirteenth-century Ireland | Smith, Brendan, 1963- | Article in Journal | | 1991 |
| The Atherton trial | Clarke, Aidan | Article in Journal | | 1979 |
| The Aussi cardinal from Leighlin : Patrick Francis Moran | Farry, Michael | Article in Journal | | 2000 |
| The beatified martyrs of Ireland (10) : Terence Albert O'Brien, O.P., Bishop of Emly | Valkenburg, Augustine | Article in Journal | | 2001 |
| The best of the English : a short account of the life and work of William Bedell, and the Irish version of the Bible for which he was responsible | Breatnach, Deasún | Monograph or Collective Volume | Clódhanna Teoranta | 1971 |
| The bishop in politics : life and career of John MacEvilly, Bishop of Galway 1857-81, Archbishop of Tuam 1881-1902 | Bane, Liam | Monograph or Collective Volume | Westport Historical Society | 1993 |
| The Bishop of Limerick's residence c.1650-1784 | Hodkinson, Brian | Article in Journal | | 2012 |
| The Bishop remembered | Barry, John | Article in Journal | | 1993 |
| The Bishop Stock address | Mitchell, Thomas | Article in Book | | 1993 |
| The bishop's house at Ballinterry | MacCarthy, C. J. F. | Article in Journal | | 1969 |
| The bishop's palace | Lynch, Helen | Article in Book | | 1994 |
| The bishops and education | Wall, Patrick | Article in Journal | | 1982 |
| The British government and Archbishop Daniel Mannix | O'Brien, John | Article in Journal | | 1988 |
| The Butler archbishops of Cashel | Morris, Thomas | Article in Journal | | 1955 |
| The cardinal Tomás Ó Fiaich memorial library and archive | Ó Doibhlin, Crónán | Article in Journal | | 2001 |
| The career of John Prene, Archbishop of Armagh, 1439-43 | Lynch, Anthony | Article in Journal | | 2010 |
| The Career of Michael Boyle, Archbishop and Lord Chancellor of Ireland, 1660-86 | Coleman, Aiden | Thesis | | 2012 |
| The Case against Alexander Bicknor, Archbishop and Peculator | Lydon, James F. | Article in Book | | 2009 |
| The Cathedral of SS Patrick and Felim, Cavan, 1919-47 | Duffy, Francis | Article in Journal | | 1992 |
| The Cathedral of the Assumption : an outline of its history | O'Toole, James | Article in Book | | 1989 |
| The Catholic bishops and revolutionary violence in Ireland. Some 19th and 20th century comparisons | Rafferty, Oliver P. | Article in Journal | | 1994 |
| The Catholic Church and the War of Independence | Heffernan, Brian | Article in Book | | 2017 |
| The Catholic church since the Reformation | Kelleher, Thomas | Article in Book | | 1994 |
| The children, the ITGWU, and the archbishop | Nevin, Donal | Article in Book | | 1998 |
| The choosing of Oliver Kelly for the See of Tuam, 1809-15 | Coen, Martin | Article in Journal | | 1978 |
| The Church of Ireland episcopate in the eighteenth century : an overview | Falvey, Jeremiah | Article in Journal | | 1993 |
| The Church of Ireland under the Stuarts | | Monograph or Collective Volume | Four Courts Press | 2025 |
| The coarb and twelfth-century reform | Barry, J. G. | Article in Journal | | 1957 |
| The constitutions of the diocese of Cashel : "The New Psalter of Cashel" (1737) and three pastoral letters of Archbishop Christopher Butler | | Article in Journal | | 2002 |
| The correspondence of Charles Brodrick (1761-1822), archbishop of Cashel | Jenkins, Deborah | Article in Journal | | 1980 |
| The development of the Catholic church in Derry under the leadership of Bishop Francis Kelly (1849-88) | McLaughlin, Stephen | Article in Book | | 2000 |
| The development of the church in the Diocese of Ferns in the twelfth and thirteenth centuries | Colfer, Billy | Article in Book | | 1999 |
| The diocese of Kerry (formerly Ardfert) | Reidy, Donal A. | Monograph or Collective Volume | Catholic Truth Society | 1937 |
| The Diocese of Kilmore : c.1100-1800 | Kelly, Liam | Monograph or Collective Volume | Columba Press | 2017 |
| The diocese of Kilmore : its history and antiquities | O'Connell, Philip | Monograph or Collective Volume | Browne and Nolan | 1937 |
| The diocese of Meath under Bishop John Cantwell, 1830-66 | Connell, Paul | Monograph or Collective Volume | Four Courts | 2004 |
| The disappearance of the effigy of Bishop Cornelius O’Dea | Ó Dálaigh, Brian | Article in Journal | | 1996 |
| The earl bishop | Price, Stephen | Monograph or Collective Volume | Great Sea | 2012 |
| The Earl Bishop at Downhill | Cameron, J. | Article in Journal | | 1995 |
| The earl-bishop of Derry and the Catholic question | Noakes, Robert | Article in Journal | | 1940 |
| The edifying bishop : 'bishop's folly' | Paterson, T. G. F. | Article in Journal | | 1966 |
| The edifying bishop : the story of Frederick Hervey, earl of Bristol and bishop of Derry | King-Hall, Magdalen | Monograph or Collective Volume | Davies | 1951 |
| The educational views of John McHale. Part I | MacAtasney, Gerard | Article in Journal | | 1994 |
| The emergence of the Irish Episcopal Conference 1788-1882 | Murphy, Pádraig | Article in Journal | | 2009 |
| The emergence of the Irish Episcopal Conference 1788-1882 | Murphy, Pádraig | Article in Journal | | 2009 |
| The emergence of the metropolitan see : Dublin, 1111-1216 | Mac Shamhráin, Ailbhe | Article in Book | | 2000 |
| The English Catholics, 1850-1950 : essays to commemorate the centenary of the restoration of the hierarchy of England and Wales | NA | Monograph or Collective Volume | NA | 1950 |
| The episcopal ideal in Saint Bernard of Clairvaux | Smith, Marie C. | Thesis | | 1967 |
| The episcopal succession in England, Scotland and Ireland, A.D. 1400 to 1875 | Brady, W. Maziere | Monograph or Collective Volume | Gregg | 1971 |
| The episcopal succession in England, Scotland and Ireland, A.D. 1400 to 1875 | Brady, W. Maziere | Monograph or Collective Volume | | 1876 |
| The episcopal succession of Killaloe | Clancy, John | Article in Journal | | 1941 |
| The episcopal succession of Killaloe diocese | Gleeson, Dermot F. | Article in Journal | | 1942 |
| The episcopal succession of Killaloe, A.D. 1317-1616 | Gleeson, Dermot F. | Article in Journal | | 1940 |
| The episcopate of the Church of Ireland, 1603-1660 | Rickett, Elizabeth | Thesis | | 2007 |
| The evolution of Ferns Diocese | Culleton, Edward | Article in Book | | 1999 |
| The exempt jurisdiction of Newry and Mourne : the struggle for episcopal authority | Rankin, J. Frederick | Article in Journal | | 1998 |
| The family of Comedinus Offercheran, the authority of the Archbishop of Armagh and the dispute over the rectory of Tamlaghtlege, 1414-1449 | Sughi, Mario A. | Article in Journal | | 1996 |
| The first bishops of Dublin | Gwynn, Aubrey | Article in Journal | | 1955 |
| The first bishops of Dublin | Gwynn, Aubrey | Article in Book | | 1990 |
| The first impact of the Reformation | Mooney, Canice | Monograph or Collective Volume | Gill | 1967 |
| The founder of Armagh public library : Primate Robinson among his books | Simms, George Otto | Article in Journal | | 1971 |
| The founder of Armagh's public library : some sidelights on Primate Robinson, Baron Rokeby of Armagh | Simms, George Otto | Article in Journal | | 1972 |
| The Greek bishop of Dromore | McRoberts, David | Article in Journal | | 1977 |
| The growth of the Archdiocese of Tuam | Knox, H. T. (Hubert Thomas) | Article in Journal | | 1903 |
| The Hon Percy Jocelyn (1764-1843) : Bishops of Ferns and the "most idle of all reverend idlers" | Comerford, Patrick | Article in Book | | 2007 |
| The I.N.T.O., the bishops and the clash on school funding (1945-1954) | Ward, Noel | Article in Journal | | 1991 |
| The Irish 'remnaunt' of John Bale's manuscripts | O'Sullivan, William, 1921-2000 | Article in Book | | 1995 |
| The Irish bishops and the conscription issue 1918 | Ó Fiaich, Tomás | Article in Journal | | 1968 |
| The Irish Bishops and the Conscription Issue, 1918 | Ó Fiaich, Tomás | Article in Journal | | 2019 |
| The Irish Catholic Episcopal Corps, 1657-1829: a prosopographical analysis | Derr, Eric | Thesis | | 2014 |
| The Irish College, Rome and the appointment of Irish bishops to the United States 1830-1851 | Barr, Colin | Article in Book | | 2008 |
| The Irish disestablishment conference of 1869 | Fair, John D. | Article in Journal | | 1975 |
| The Irish episcopate and pastoral care, 1318-1534 | Burrows, Michael | Thesis | | 1986 |
| The Irish hierarchy and the queen's colleges (1845-50) | Hegarty, W. J. | Article in Journal | | 1945 |
| The Irish Peasant and the conflict between Irish-Ireland and the Catholic bishops | Biletz, Frank A. | Article in Book | | 2000 |
| The Irish pragmatist | Berman, David | Article in Book | | 2004 |
| The Irish-French conflict in catholic episcopal nominations : the Western Sees and the struggle for domination within the church | Huel, R. | Article in Journal | | 1975 |
| The last Anglican archbishop of Tuam - a memoir | Coote-Duggan, John | Article in Journal | | 1982 |
| The last days of William Bedell in early-modern Irish history and memory | Darcy, Eamon | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| The last pre-Reformation Bishop of Fern and his 'nephew' the Dean of Ossory | Comerford, Patrick | Article in Journal | | 2005 |
| The last will and testament of archbishop Daniel Murray of Dublin (d. 1852) | | Article in Journal | | 1979 |
| The last years of Bishop T. A. O'Brien, O.P. | Taheny, L. | Article in Book | | 1951 |
| The letters of St. Oliver Plunkett | | Monograph or Collective Volume | Dolmen Press | 1979 |
| The library of Archbishop Piers Creagh | Mooney, Canice | Article in Journal | | 1955 |
| The life and career of Archbishop Richard Whately : Ireland, religion and reform | Boylan, Ciara M. | Monograph or Collective Volume | Four Courts Press | 2018 |
| The life and career of Hugh Brady, bishop of Meath, 1563-84 | Walshe, Helen Mary | Thesis | | 1985 |
| The life and times of Archbishop Denis O'Driscoll (1600-1650) | Coombes, James | Article in Journal | | 1965 |
| The life and times of Bishop Edward Kernan | Mulligan, Patrick | Article in Journal | | 1981 |
| The life and times of Daniel Murray : Archbishop of Dublin, 1823-1852 | Morrissey, Thomas J. | Monograph or Collective Volume | Messenger Publications | 2018 |
| The life and writings of Jeremy Taylor | Stranks, C. J. | Monograph or Collective Volume | | 1952 |
| The life of Dr Thomas Hussey (1746-1803), bishop of Waterford and Lismore | Murphy, William Gerald | Thesis | | 1968 |
| The life of Miler McGrath, archbishop of Cashel | Ryan, Patrick, Rev. | Thesis | | 1962 |
| The life, times, and correspondence of the Rt. Rev. Dr. Doyle, Bishop of Kildare and Leighlin | Fitzpatrick, W. J., 1830-1895 | Monograph or Collective Volume | | 1861 |
| The Limerick bishop who said no to papal infallibility | Irwin, Liam | Article in Journal | | 1993 |
| The Limerick crosier and mitre | Cherry, John | Article in Book | | 2011 |
| The long episcopate of Stephen MacEgan | Fagan, Patrick, 1922-2011 | Article in Journal | | 1998 |
| The making of medieval Derry | Devlin, Ciaran J. | Monograph or Collective Volume | Veritas | 2013 |
| The making of the archbishops of Tuam : the appointment of Archbishop John McEvilly | Waldron, Kieran | Article in Journal | | 2006 |
| The Making of the Modern Diocese of Galloway | Aspinwall, Bernard | Article in Book | | 1997 |
| The man in the middle : St Laurence O'Toole, patron saint of Dublin | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1988 |
| The man of ten talents, a portrait of Richard Chenevix Trench, 1807-86, philologist, poet, theologian, archbishop | Bromley, John | Monograph or Collective Volume | SPCK | 1959 |
| The monuments of the pre-Reformation archbishops of Dublin | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Article in Book | | 1990 |
| The mother and child scheme | Coyne, E. J. | Article in Journal | | 1998 |
| The new St. Patrick? Bishop George Montgomery (1569-1621) | Meehan, Helen | Article in Book | | 2015 |
| The O'Neylons of Dysert and Austria | McInerney, Luke | Article in Journal | | 2018 |
| The obligation of Titus: a theological opinion concerning worthiness for episcopal office in the diocese of Ferns, 1645 | McHugh, Jason | Article in Journal | | 2017 |
| The one true faith : the burials of Bishop Matthew Sanders (d. 1549) and Bishop Thomas Filay (d. 1567) | Thompson, Pat | Article in Book | | 2016 |
| The organization of the Irish church, 1603-1641 | Corish, Patrick J. | Article in Journal | | 1957 |
| The Palace of St Sepulchre : a final tour of the Palace | Moore, Stephen | Article in Book | | 2018 |
| The papacy and episcopal appointments in Ireland, 1305-34 | Williams, Patrick | Thesis | | 1961 |
| The papers of Lord Robert Loftus | Ainsworth, John F. | Article in Journal | | 1960 |
| The papers of Nicholas Archdeacon (bishop of Kilmacduagh and Kilfenora 1800-1823) | Murphy, P. J. | Article in Journal | | 1973 |
| The pastoral and education letters of Bishop James Doyle of Kildare and Leighlin, 1786-1834 | | Monograph or Collective Volume | Four Courts | 2004 |
| The pastoral letters and other writings of Cardinal Cullen, Archbishop of Dublin ... 3 vols. | | Monograph or Collective Volume | | 1882 |
| The pastoral politics of Paul Cullen | O'Carroll, Ciaran | Article in Book | | 2000 |
| The pastoral zeal of Robert Wauchope | Millett, Benignus | Article in Journal | | 1956 |
| The peace mission of Archbishop Clune | Hopkinson, Michael | Article in Book | | 2008 |
| The people's primate : a memoir of Joseph Cardinal MacRory | Murphy, J. J. | Monograph or Collective Volume | Priory P. | 1946 |
| The persecuted primate | Ó Meachair, Liam S. | Article in Journal | | 1957 |
| The plundered tates : Cahill Duff O Connally and the bishop's land in Clones parish | Schlegel, Donald M. | Article in Journal | | 1991 |
| The political theory of Dr Edward Maginn, bishop of Derry, 1846-9 | Coulter, James A. | Article in Journal | | 1962 |
| The politician - a reassessment | McMahon, Deirdre | Article in Journal | | 1998 |
| The politics of Cardinal McCabe, archbishop of Dublin, 1879-85 | Woods, C. J. (Christopher John) | Article in Journal | | 1973 |
| The politics of Paul Cullen | Delaney, John Francis Pius | Thesis | | 1984 |
| The post-Reformation bishops of Kerry | O'Ryan, J. C. | Article in Journal | | 1997 |
| The post-Reformation Catholic bishops of Kilfenora | Coen, Martin | Article in Journal | | 1969 |
| The priesthood of St Oliver | Ó Fiaich, Tomás | Article in Journal | | 1975 |
| The Primacy of Ireland : resident in the see of Armagh for fourteen centuries | Reeves, William | Monograph or Collective Volume | Dublin University Press [printer] | 1886 |
| The primates and the church lands of Armagh | Glancy, Michael | Article in Journal | | 1970 |
| The primatial controversy (1670-1728) : a bibliographical note | Wall, Thomas | Article in Journal | | 1939 |
| The purpose of Cardinal Ó Fiaich | Faul, Denis | Article in Journal | | 1991 |
| The quarantine of Archbishop Mannix : a British preventive policy during the Anglo-Irish troubles | Hachey, Thomas E. | Article in Journal | | 1970 |
| The quiet leader : the episcopacy of John Cardinal D'Alton, 1946-63 | Ó Corráin, Daithí | Article in Journal | | 2006 |
| The radical face of Paul Cardinal Cullen | Corish, Patrick J. | Article in Book | | 1985 |
| The real archbishop Mannix from the sources | | Monograph or Collective Volume | Connor Court | 2015 |
| The real Saint Patrick | Holmes, John | Monograph or Collective Volume | Ambassador | 1997 |
| The reconstruction of the Church of Ireland : Bishop Bramhall and the Laudian reforms, 1633-1641 | McCafferty, John | Monograph or Collective Volume | Cambridge University Press | 2007 |
| The reformation bishops of the diocese of Waterford and Lismore | Cowman, Des | Article in Journal | | 1984 |
| The register of Milo Sweteman, Archbishop of Armagh, 1361-1380 | | Monograph or Collective Volume | Irish Manuscripts Commission | 1996 |
| The Reportorium Viride of John Alen, archbishop of Dublin, 1533 | White, Newport B. | Article in Journal | | 1941 |
| The rivalry of the cathedral chapters in medieval Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1962 |
| The Roman Catholic Church and the Irish Civil War | Murray, Patrick | Article in Journal | | 2015 |
| The Rt. Rev. John England, D.D. 1786-1842, "The light of the American hierarchy", first bishop of Charleston, U.S.A.; P.P. of Bandon 1817-20 | Anonymous | Article in Journal | | 2006 |
| The second burial of Bishop Shanahan | Forristal, Desmond | Monograph or Collective Volume | Veritas | 1990 |
| The secular clergy of the archdiocese of Armagh, 1518-58 | Jefferies, Henry Allen | Thesis | | 1996 |
| The sermon-diary of Richard FitzRalph, archbishop of Armagh | Gwynn, Aubrey | Article in Journal | | 1937 |
| The seven bishops | Henry, Françoise, 1902-1982 | Article in Journal | | 1946 |
| The Society's Watercolours of Limerick's Mitre and Crozier | Harbison, Peter | Article in Journal | | 2007 |
| The state of the church in the diocese of Down and Connor during the episcopate of Robert Echlin 1613-35 | Millsopp, Sandra A. | Article in Journal | | 1982 |
| The state of the church in the diocese of Down and Connor during the episcopate of Robert Echlin, 1613-1635 | Millsopp, Sandra Ann | Thesis | | 1979 |
| The Stuart nomination of Irish bishops, 1687-1765 | Giblin, Cathaldus | Article in Journal | | 1965 |
| The Synge letters : Bishop Edward Synge to his daughter Alicia, Roscommon to Dublin, 1746-1752 | | Monograph or Collective Volume | Lilliput Press/Irish Manuscripts Commission | 1996 |
| The times and life of Nicholas Sweetman, Bishop of Ferns, (1744-86) | Furlong, Nicholas | Article in Journal | | 1983 |
| The Tudor diocese of Dublin: episcopal, government, ecclesiastical plticas and the enforcement of the Reformation, 1534-1590 | Murray, James | Thesis | | 1997 |
| The twelfth-century reform | Gwynn, Aubrey | Monograph or Collective Volume | Gill & Macmillan | 1968 |
| The two cathedral chapters of medieval Dublin and their mutual relations, from the foundation of Holy Trinity (c.1030) to the death of Archbishop Bicknor (1349) | Hand, Geoffrey J. | Thesis | | 1954 |
| The very Rev. James Maurice Carey (1926-2001). President of the Society (1979-80) | Ó Riain, Pádraig | Article in Journal | | 2001 |
| The vision of John Carroll | Hennesey, James | Article in Journal | | 1979 |
| The vision of John Carroll | Hennessy, J. | Article in Journal | | 1979 |
| The visionary, the liberator and the bishop | Donovan, Tom | Article in Journal | | 1996 |
| The visitation note book of Charles Lindsay, bishop of Kildare, 1804-1808 | Refaussé, Raymond | Article in Journal | | 1987 |
| The vocacyon of John Bale to the bishoprick of Ossorie in Ireland | Anonymous | Article in Journal | | 1734 |
| The vocacyon of John Bale to the bishoprick of Ossorie in Ireland | Anonymous | Article in Book | | 1734 |
| The way back from Rome | Purcell, Mary | Article in Journal | | 1979 |
| The works of Archbishop Laud | Laud, William | Monograph or Collective Volume | [s.n.] | 1847 |
| The world of bishops in religious orders in medieval Ireland, 1050-1230 | Bhreathnach, Edel | Article in Book | | 2018 |
| The writings of Bishop Patrick, 1074-1084 | Gwynn, Aubrey | Monograph or Collective Volume | Institute for Advanced Studies | 1955 |
| Thesis abstract : In the name of God and Ireland : the conflict between the Catholic bishops and militant republicans in Ireland, 1922–1925 | McCabe, Michael P., 1977- | Article in Journal | | 2010 |
| Thomas Hobbes and political thought in Ireland, c.1660-c.1730 : the Leviathan released | Ward, Matthew | Monograph or Collective Volume | Oxford University Press | 2024 |
| Thomas Hussey, bishop of Waterford and Lismore, 1797-1803, and the rebellion of 1798 | Keogh, Dáire | Article in Book | | 1992 |
| Thomas Percy : a scholar-cleric in the age of Johnson | Davis, B. H. | Monograph or Collective Volume | NA | 1989 |
| Thomas Percy in Ireland | Green, E. R. R. | Article in Journal | | 1970 |
| Thomas Walsh - Cashel's forgotten Archbishop | Ua Cearneigh, Seán | Article in Journal | | 2010 |
| Three Catholic bishops from Tennessee | Stritch, Thomas J. | Article in Journal | | 1978 |
| Three Patrician bishops and their seats in Airteach | Connellan, M. J. | Article in Journal | | 1951 |
| Tiberius, bishop of Down and Connor, 1489 to 1519. [Précis of an article by Revd. James O'Laverty 1904] | Connolly, Al | Article in Journal | | 2002 |
| Tomás Ó Fiaich | Ó Glaisne, Risteárd, 1927-2003 | Article in Journal | | 1992 |
| Tomás Ó Fiaich | Ó Glaisne, Risteárd, 1927-2003 | Monograph or Collective Volume | Coiscéim | 1990 |
| Tomás Ó Fiaich - saol agus saothar i Maigh Nuad | Ó Doibhlin, Diarmaid | Article in Book | | 1995 |
| Tomás Ó Fiaich, scoláire | Ó Dufaigh, Seosamh | Article in Journal | | 1978 |
| Towards a biography of an archbishop | Keogh, Dermot | Article in Journal | | 1998 |
| Towm and mitre: relations between the episcopal borough of Old Leighlin and its bishops 1635-1688 | McGrath, Bríd | Article in Journal | | 2022 |
| Transcending Language and Ethnicity : Oblates of Mary Immaculate and the Canonical Erection of the Diocese of Calgary, 1912-1916 | Foran, Timothy P. | Article in Journal | | 2008 |
| Trouble with the archbishop in thirteenth-century Dublin | Smith, Charles | Article in Book | | 2015 |
| Two biographies of William Bedell, bishop of Kilmore, with a selection of his letters and an unpublished treatise [by his son, W. Bedell, and A. Clogie, respectively] | | Monograph or Collective Volume | Cambridge University Press | 1902 |
| Two Clogher constitutions | O'Sullivan, William, 1921-2000 | Article in Book | | 1994 |
| Two Dominican martyrs of Ireland | Fenning, HughValkenburg, Augustine | Monograph or Collective Volume | Dominican | 1992 |
| Two early eighteenth century bishops of Killaloe | Murphy, Ignatius | Article in Journal | | 1986 |
| Two letters of Cardinal Cullen, 1871 and 1873 | Walsh, Katherine | Article in Journal | | 1973 |
| Two sermons of Primate Richard FitzRalph | FitzRalph, RichardGwynn, Aubrey | Article in Journal | | 1949 |
| Two sixteenth century Munster primates : Donnchadh Ó Taidhg (1560-62) & Richard Creagh (1564-85) | O'Brien, W. P. | Article in Journal | | 1989 |
| Uaitéar Ó Loingsigh, Easbog Chluain Fearta (1647-63) | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1942 |
| Un diocèse établie d'Irlande à l'éopoque georgienne, d'après une visite épiscopale : Ossory | Loupès, Philippe | Article in Journal | | 1983 |
| Ussher and the Church of Ireland | Knox, R. Buick | Article in Journal | | 1960 |
| Virgil als abt und Bischof von Salzburg | Wolfram, Herwig | Article in Book | | 1985 |
| Virgil als geistiger Vater der Slawenmission und der ältesten slawischen Kirchensprache | Kronsteiner, Otto | Article in Book | | 1985 |
| Virgil of Salzburg | Grosjean, Paul | Article in Book | | 1963 |
| Virgil und die Salzburger Slawenmission | Kahl, Hans-Dietrich | Article in Book | | 1985 |
| Walter Wellesley, bishop of Kildare, 147? - 1539 | Valkenburg, Augustine | Article in Journal | | 1970 |
| Was Áth an Tearmainn at Shrule, Co. Mayo? The inauguration of Toirrdelbach Ua Conchobair and the Ráith Bressail boundary | Cooke, Jessica | Article in Journal | | 2018 |
| Waterford diocese, 1096-1363 | O'Neill, Assumpta | Article in Journal | | 1993 |
| Waterford diocese, 1096-1363, part 2 : episcopal succession, 1135-1222 | O'Neill, Assumpta | Article in Journal | | 1990 |
| Waterford diocese, 1096-1363, part 3 : episcopal succession, 1222-1363 | O'Neill, Assumpta | Article in Journal | | 1991 |
| What a bishop of the Church of Ireland can do. An exposure of a scandal | Westropp, C. Roberts, Rev. | Monograph or Collective Volume | Hillhouse | 1909 |
| What the witchcraft bishop did in Ireland: the controversial career of Francis Hutchinson, 1660-1739 | Sneddon, Andrew | Article in Journal | | 2010 |
| When Raphoe first had two bishops | Meehan, Helen | Article in Journal | | 2002 |
| Who is leading? Archbishop John Thomas Troy and the priests and people in the Archdiocese of Dublin, 1787-1823 | McNally, Vincent J. | Article in Journal | | 1995 |
| Who succeeded Blessed Oliver Plunkett? | Ó Fiaich, Tomás | Article in Journal | | 1956 |
| Who was Palladius, "first bishop of the Irish"? | Ó Cróinín, Dáibhí | Article in Journal | | 2000 |
| Wicklow through the Millennia | Cantwell, Ian | Article in Journal | | 2003 |
| Wildord, the bishop's house | Flannery, Pearl | Article in Journal | | 1987 |
| William Bedell : his life and times | Gamble, W. | Monograph or Collective Volume | SPCK | 1951 |
| William Bedell and James Ussher : evangelisation in early-modern Ireland | Boran, Elizabethanne | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| William Bedell before Venice : debating the Jacobean royal supremacy, 1603-1607 | Davies, Eloise | Article in Book | Cumann Seanchais Bhreifne | 2025 |
| William Bedell, bishop of Kilmore, 1629-42 | MacCarthy, R. B. (Robert B.) | Article in Journal | | 1996 |
| William Crolly, Archbishop of Armagh 1835-49 | McCauley, Ambrose | Article in Journal | | 1989 |
| William Crolly, archbishop of Armagh, 1835-49 | Macaulay, Ambrose | Article in Journal | | 1990 |
| William J. Walsh, archbishop of Dublin | Walsh, Patrick | Monograph or Collective Volume | Talbot Press | 1928 |
| William J. Walsh, Archbishop of Dublin, 1841-1921 | Morrissey, Thomas J. | Article in Journal | | 2008 |
| William J. Walsh, Archbishop of Dublin, 1841-1921, no uncertain voice | Morrissey, Thomas J. | Monograph or Collective Volume | Four Courts | 2000 |
| William King (1650-1729), man of faith and reason | Richardson, Joseph | Thesis | | 1998 |
| William King - European man of letters | Richardson, Joseph | Article in Book | | 2004 |
| William King as bishop and parliamentarian, 1691-7 | O'Regan, Philip | Article in Book | | 2004 |
| William King as bishop of Derry, 1691-1703 | Beckett, J. C. (James Camlin) | Article in Journal | | 1942 |
| William Mark Duke, archbishop | Walsh, C. J. | Article in Journal | | 1988 |
| William of Kilkenny, Bishop of Ely Cathedral, Cambridgeshire | Downey, Máire | Article in Journal | | 2005 |
| William Reeves, bishop, scholar, antiquary : a memorial discourse | Oulton, J. E. L. | Monograph or Collective Volume | Hodges Figgis | 1937 |
| William Somerwell's notarial, memorandum book and Archbishop John May | | Article in Journal | | 2001 |
| William Walsh, first archbishop of Halifax (1804-1858) | Kelly, Charlotte | Article in Journal | | 1945 |
| Witchcraft and Whigs : the life of Bishop Francis Hutchinson, 1660-1739 | Sneddon, Andrew | Monograph or Collective Volume | Manchester University Press | 2008 |
| Witchcraft belief and trials in early modern Ireland | Sneddon, Andrew | Article in Journal | | 2012 |
| Writing Robert Dunne : Brisbane's first Catholic archbishop | Byrne, Neil J. | Article in Book | | 1995 |