| A celebrated eighteenth-century preacher in Dublin | Ó Súilleabháin, Pádraig | Article in Journal | | 1966 |
| A description of the Marward stone at Skyrne and a description of John Cusack who sculptured it | Hickey, Elizabeth | Article in Journal | | 1973 |
| A fourteenth-century scholar and primate : Richard FitzRalph in Oxford, Avignon and Armagh | Walsh, Katherine | Monograph or Collective Volume | Clarendon Press | 1981 |
| A guide to eighteenth-century reports on Irish dioceses in the archives of Propaganda Fide | Fenning, Hugh | Article in Journal | | 1968 |
| A previously unnoticed letter of Oliver Plunkett | | Article in Journal | | 1975 |
| A short-title calendar of the papers of Archbishop James Butler II in Archbishop's House, Thurles | Tierney, Mark | Article in Journal | | 1978 |
| Accusations of Oliver Plunkett | Mooney, Canice | Article in Journal | | 1956 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| An Dochtúir Ó Duinnshléibhe agus an Mhidheamhain | Ó Ceallaigh, Brian | Article in Journal | | 1946 |
| An unpublished letter of St Oliver Plunkett | | Article in Journal | | 1975 |
| Anthony Blake, archbishop of Armagh, 1758-87 | Whelan, Patrick | Article in Journal | | 1970 |
| Archbishop Butler's visitation book | | Article in Journal | | 1976 |
| Archbishop Carpenter's epistolae 1770-80 | | Article in Journal | | 1956 |
| Archbishop John Carpenter and the catholic revival, 1770-86 | Wall, Thomas | Article in Journal | | 1955 |
| Archives of the Irish Augustinians, Rome : a summary report | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1955 |
| Becoming women teachers : gender and primary teacher training in Ireland, 1922-1974 | Harford, Judith ; Hyland, Áine | Article in Journal | | 2022 |
| Bishop Caulfield's 'Relatio status' 1796 | | Article in Journal | | 1966 |
| Bishop Keeffe of Kildare and Leighlin, A.D. 1702-87 | Brenan, Martin | Article in Journal | | 1937 |
| Bishop Moylan's Relatio status, 1785 | | Article in Journal | | 1974 |
| Broadcaster, church and state in Ireland, 1958-1968 | Grimes, Aisling | Thesis | | |
| Calendar of Irish material in ... Fondo di Vienna in Propaganda archives | | Article in Journal | | 1990 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 2, ff 132-283 | Millett, Benignus | Article in Journal | | 1988 |
| Cardinal Cullen and Archbishop MacHale | Corish, Patrick J. | Article in Journal | | 1959 |
| Cardinal Manning : his public life and influence, 1865-92 | McClelland, Vincent Alan | Monograph or Collective Volume | Oxford University Press | 1962 |
| Catalogue of Irish material in vols. 140-3 of the Scritture originali riferite nelle congregazioni generali in Propaganda archives | | Article in Journal | | 1971 |
| Catalogue of material of Irish interest in the collection Nunziatura di Fiandra, Vatican archives | Giblin, Cathaldus | Article in Journal | | 1972 |
| Catholic education in Trinidad and Tobago : the twentieth century | Feheney, John Patrick Matthew | Monograph or Collective Volume | Iverus Publications | 2010 |
| Catholics and socialists in Scotland, 1900-1930 | Gilley, Sheridan | Article in Book | | 1989 |
| Change in Tullamore Catholic Parish since the 1960s | Byrne, Michael | Article in Book | Offaly Historical and Archaeological Society (Offaly History) | 2024 |
| Clerical recruitment, 1735-83 : documents from Windsor and Rome | | Article in Journal | | 1972 |
| Clódóireacht chaitliceach in Éirinn son ochtú haois déag | Ó Súilleabháin, Pádraig | Article in Journal | | 1964 |
| Commentarius Rinuccinianus de Sedis apostolicae legatione ad Foederatos Hiberniae Catholicos per annos 1645-49. Florentiae opus susceperunt atque absolverunt per annos 1661-1666 fr. pater Richardus (Barnabas O'Ferrall) Longfordensis, fr. pater Robertus (Daniel O'Connell) Desmondensis uterque e provincia Hibernica Ordinis min. Capuccinorum, nunc primum e fontibus totum edendum curat Fr. Pater Stanislaus (Joannes Kavanagh) eiusdem ordinis et provinciae | O'Connell, RobertO'Ferrall, Richard, d.1663 | Monograph or Collective Volume | Irish Manuscripts Commission | 1932; 1936; 1939; 1941; 1944; 1949 |
| Compulsory Irish in France | Walsh, T. J. | Article in Journal | | 1953 |
| Correspondence of Irish interest in the Lettere in Propaganda archives : vols 27-34 (1649-64) | | Article in Journal | | 1988 |
| 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 |
| Documents from the State Papers concerning Miles McGrath | | Article in Journal | | 1958 |
| Documents of the Irish Franciscan college at Prague | Jennings, Brendan | Article in Journal | | 1942 |
| Dr Nicholas Madgett's 'Constitutio ecclesiastica' | | Article in Journal | | 1976 |
| Dr Plunket, bishop of Meath, 1779-1827 | Flood, J. M. | Article in Journal | | 1949 |
| Dr. Croke, the Irish bishops and the Parnell crisis, 18 November 1890-21 April 1891 | Tierney, Mark | Article in Journal | | 1968 |
| Dublin diocesan archives : an introduction | Sheehy, David C. | Article in Journal | | 1987 |
| Dublin diocesan archives : Murray Papers (7) | Sheehy, David C. | Article in Journal | | 1987 |
| Edmond Byrne (1656-1723) archbishop of Dublin | Meagher, John | Article in Journal | | 1964 |
| Episcopal comments on the Decreta pro recto regimine ecclesiarum hiberniae, 1635-36 | | Article in Journal | | 1964 |
| Fenagh in 1516 : the social and religious context for the Book of Fenagh | Kelly, LiamScott, Brendan | Article in Book | | 2016 |
| Francis Moylan, bishop of Cork, 1735-1815 | Walsh, T. J. | Article in Journal | | 1950 |
| Glimpses of eighteenth-century priests | Meagher, John | Article in Journal | | 1958 |
| Guide to documents of Irish and British interest in Fondo Borghese, ser. 1 | | Article in Journal | | 1961 |
| Heretic London, holy poverty and the Irish poor, 1830-70 | Gilley, Sheridan | Article in Journal | | 1971 |
| Historical memoirs of the city of Armagh | Stuart, James | Monograph or Collective Volume | | 1819 |
| History of the Irish College, Paris, 1578-1800 : calendar of the papers of the Irish College, Paris | | Article in Journal | | 1980 |
| Hugh MacMahon, Bishop of Clogher 1707-15 and Archbishop of Armagh 1715-37 | Flynn, L. J. | Article in Journal | | 1973 |
| Innocent XII and early Irish penal legislation | Creighton, Seamus | Article in Journal | | 1962 |
| Insights into fifty years of episcopal elections (1774-1824) | Bolster, M. A. | Article in Journal | | 1972 |
| Ireland and the Ecclesiastical Titles Bill | Brady, J. | Article in Journal | | 1950 |
| Ireland, the renaissance and the counter-reformation | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1967 |
| Ireland, the Vatican and the Cold War : the case of Italy, 1948 | Keogh, Dermot | Article in Journal | | 1991 |
| Irish material in Fondo Santa Sede, Madrid | Mac Curtain, Benvenuta | Article in Journal | | 1963 |
| Irish politics in Manchester, 1890-1914 | Fielding, Steven | Article in Journal | | 1988 |
| Irish preachers and confessors in the archdiocese of Malines, 1607-1794 | | Article in Journal | | 1960 |
| Irish religious opinion on the American Civil War | Hernon, Joseph M. | Article in Journal | | 1964 |
| Irish seminaries in the eighteenth century | Dowling, Edward | Article in Journal | | 1941 |
| James Browne (b.1842) : his life and episcopal ministry : Bishop of Ferns 1884-1917 | Cosgrave, NicholasCosgrave, William | Monograph or Collective Volume | [The authors] | 2010 |
| John Garzia, a noted priest-catcher and his activities, 1717-23 | MacGrath, Kevin. | Article in Journal | | 1949 |
| John Kent's report on the state of the Irish mission, 1742 | | Article in Journal | | 1966 |
| John Verdon, Clonmore, Co. Louth, parish priest of Drogheda, bishop of Ferns (1709-28) | | Article in Journal | | 1980 |
| John Wheatley, Catholic socialism and Irish labour in the West of Scotland, 1906-1924 | Gunnin, G. C. | Monograph or Collective Volume | Garland | 1987 |
| La romanità di Daniele O'Connell | Oddone, A. | Article in Journal | | 1948 |
| Laurence Nihell (1726-95), bishop of Kilfenora and Kilmacduagh | Mitchell, James | Article in Journal | | 1975 |
| Laurence Richardson, O.P., bishop of Kilmore, 1747-53 | Fenning, Hugh | Article in Journal | | 1968 |
| Le lettere inedite di Luca Wadding ad Antonio Caracciolo e la riforma liturgica di Urbano VIII | | Article in Journal | | 1973 |
| Lord Dunboyne | Kingston, John | Article in Journal | | 1961 |
| Medieval Irish cathedral chapters | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1973 |
| Michael MacDonogh, O.P., bishop of Kilmore, 1728-46 | Fenning, Hugh | Article in Journal | | 1966 |
| Muircheartach Ó Domhnalláin, easbog Chluain Fearta, 1695-1706 | Mac Fhinn, Pádraig Eric, 1895-1987 | Article in Journal | | 1952 |
| Music as Theology | Zon, Bennett | Article in Book | Oxford University Press | 2023 |
| Papists, protestants and the Irish in London, 1835-70 | Gilley, Sheridan | Article in Book | | 1972 |
| Parsons, priests and the people : the rise of Irish anticlericalism, 1785-9 | Burns, R. E. | Article in Journal | | 1962 |
| Proposals to register Irish priests, 1756-7 | Brady, John, d.1963 | Article in Journal | | 1962 |
| Rectors of the Irish College of Salamanca, 1705-67 | Finegan, Francis | Article in Journal | | 1968 |
| Rome and the British veto, 1829-47 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1951 |
| Sanguinea eremus martyrum Hiberniae ord. eremit. S.P. Augustini (1655). | O'Mahony, James, d.1666 | Article in Journal | | 1950 |
| Say Nope to the Pope : performance and resistance in the creative interventions during the 2018 papal visit to Ireland | Antosik-Parsons, Kate | Article in Journal | | 2024 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Some problems of the Irish mission, 1733-1774 : documents from Roman archives | | Article in Journal | | 1965 |
| St. Brigid's Church Kill, County Kildare : celebrating 200 years 1821-2021 | | Monograph or Collective Volume | St. Brigid's Church | 2021 |
| St. Patricks Church Aughawillan 1870-2020 | Quinn, Des | Monograph or Collective Volume | St. Patrick's Church Aughawillan | 2020 |
| State policy in Irish education, A.D. 1536 to 1816, exemplified in documents collected for lectures to post-graduate classes. With an introduction | | Monograph or Collective Volume | | 1916 |
| Students of the Irish College, Salamanca | O'Doherty, D. J. | Article in Journal | | 1914 |
| Telling the story: a dictionary of Killala clergy | Hoban, Brendan | Monograph or Collective Volume | Banley House | 2016 |
| The appointment of Catholic bishops in 19th century Ireland | Whyte, J. H. | Article in Journal | | 1962 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The bishops' banishment act of 1697 (9 Will. III, c.1) | Simms, J. G. (John Gerald) | Article in Journal | | 1970 |
| The Catholic Church and the hunger strikes of Terence MacSwiney and Bobby Sands | Scull, Margaret M. | Article in Journal | | 2016 |
| The Catholic Church and the Northern Ireland crisis, 1968-1986 | McElroy, Gerald | Monograph or Collective Volume | | 1991 |
| The Catholic church and the Northern Ireland troubles, 1968-1998 | Scull, Margaret M. | Monograph or Collective Volume | Oxford University | 2019 |
| The Catholic laity in Dublin, 1920-1940 | Hartigan, Maurice | Thesis | | 1992 |
| The Catholic question in English politics, 1820 to 1830 | Machin, George Ian Thom | Monograph or Collective Volume | | 1964 |
| The church and the Famine | Kerr, Donal A. | Article in Book | | 1996 |
| The Church since emancipation : Epilogue : Modern Ireland | McKevitt, Peter | Monograph or Collective Volume | Gill & Macmillan | 1970 |
| The commercial aspect of the Irish penal code | Arkins, T. | Article in Journal | | 1912 |
| The diocese of Clogher in 1714 | | Article in Journal | | 1955 |
| The diocese of Ferns and the penal days | Corish, Patrick J. | Article in Journal | | 1970 |
| The duke of Wellington and the Catholic question | Noyce, Karen A. | Article in Book | | 1990 |
| The expansion of Irish christianity to 1200; an historiographical study | Ó Briain, Felim | Article in Journal | | 1944 |
| The fall and return of John Macmoyer | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The famine and the Church in England | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| The Holy See and the Irish National Schools | Barry, P. C. | Article in Journal | | 1959 |
| The Irish Bishops’ Pastoral Letter, 10 October 1922 | Doherty, Gabriel | Article in Book | Cork University Press | 2024 |
| The Irish clergy and Archbishop Manning's apostolic visitation of the western district of Scotland, 1867 | McClelland, Vincent Alan | Article in Journal | | 1967 |
| The Irish clergy of the diocese of Bordeaux during the revolution | Loupès, Philippe | Article in Book | | 1990 |
| The Irish College, Seville | Silke, John J. | Article in Journal | | 1961 |
| The Irish colleges in the Low Countries | | Article in Journal | | 1949 |
| The Irish Franciscans in Poland | Jennings, Brendan | Article in Journal | | 1957 |
| The Irish in Manchester, c. 1750 - 1921: reistance, adaptation and identity | Busteed, Mervyn A. | Monograph or Collective Volume | Manchester University | 2015 |
| The Irish missionary movement : a historical survey, 1830-1980 | Hogan, E. M. | Monograph or Collective Volume | Gill & Macmillan|Catholic University of America Press | 1990 |
| The Irish Popery laws : a study of 18th century legislation and behavior | Burns, R. E. | Article in Journal | | 1962 |
| The Irish war of defence, 1598-1600 : extracts from the 'De Hibernia Insula Commentarius' of Peter Lombard, archbishop of Armagh. Edited, with introduction and translation | | Monograph or Collective Volume | | 1930 |
| The journey of James Lyons from Rome to Sligo, 1763-5 | | Article in Journal | | 1968 |
| The library of a preacher of Drogheda : John Donnelly, O.P. (d. 1748) | | Article in Journal | | 1978 |
| The library of Bishop William Daton of Ossory, 1698 | | Article in Journal | | 1978 |
| The official Presbyterian Irish language policy in the 18th and 19th centuries | Fitzsimons, J. | Article in Journal | | 1949 |
| The penal laws and Irish land | Arkins, T. | Article in Journal | | 1912 |
| The pope, the Protestants, and the Irish : papal aggression and anti-Catholicism in mid nineteenth-century England | Klaus, R. J. | Monograph or Collective Volume | | 1987 |
| The registration of the clergy in 1704 | Ó Fiaich, Tomás | Article in Journal | | 1971 |
| The relations between Church and State in the age of emancipation | Nowlan, Kevin B. | Article in Journal | | 1961 |
| The reorganisation of the Irish church, 1603-41 | Corish, Patrick J. | Article in Journal | | 1957 |
| The support of the Catholic clergy in Ireland, 1750-1850 | Murphy, John A. | Article in Book | | 1965 |
| The Tirry documents in the Archives de France, Paris | | Article in Journal | | 1957 |
| The Tirry documents in the Augustinian General Archives | Hackett, M. B. | Article in Journal | | 1957 |
| The Vatican, the Bishops and Irish Politics 1919-39 | Keogh, Dermot | Monograph or Collective Volume | Cambridge University Press | 1986 |
| The way we are : Catholic Ireland since 1922 | Kenny, Mary | Monograph or Collective Volume | Columba Books | 2022 |
| Tracing the stem: Killala bishops | Hoban, Brendan | Monograph or Collective Volume | Banley House | 2015 |
| Two contemporary historians of the confederation of Kilkenny : John Lynch and Richard O'Ferrall | Corish, Patrick J. | Article in Journal | | 1953 |
| Two diocesan reports : Elphin (1753) and Killaloe (1792) | | Article in Journal | | 1972 |
| Two reports on the Catholic Church in Ireland in the early seventeenth century | | Article in Journal | | 1959 |
| Two Wexford priests and '98 | MacGrath, Kevin | Article in Journal | | 1948 |
| Vatican archives; Lettere di Particolari : material relating to Ireland | Giblin, Cathaldus | Article in Journal | | 1973 |
| Waterford diocese, 1096-1363 | O'Neill, Assumpta | Article in Journal | | 1993 |
| Young Ireland and the Catholic clergy in 1844 : contemporary deceit and historical falsehood | O'Connell, Maurice R. | Article in Journal | | 1988 |
| ‘Nobody’s ideal’ : Augustine Birrell, William Walsh and the evolution of the Irish Universities Act, 1908 | Walsh, John | Article in Journal | | 2021 |
| “Up with the brave” : gender, transgression and judges’ use of Catholic convents in England and Ireland, 1930-1959 | Enright, Máiréad | Article in Journal | | 2025 |