| "A moral insurrection" : faction fighters, public demonstrations and the O'Connellite campaign, 1828 | Owens, Gary | Article in Journal | | 1997 |
| 'Brunswick bloodhounds and itinerant demagogues' : the campaign for Catholic Emancipation in County Armagh, 1824-29 | MacAtasney, Gerard | Article in Journal | | 2008 |
| 'Champion of the slaves' - Howe Peter Browne, 2nd marquess of Sligo (1788-1845) | Chambers, Anne | Article in Journal | | 2018 |
| 'Overwhelmed with poverty, divisions and distress' : Robert Owen's tour of Ireland, 1822-3 | Donnachie, Ian | Article in Journal | | 2014 |
| 'The abominable Cath. Quest.': Catholic Emancipation, 1820-30 | Bartlett, Thomas | Article in Book | Oxford University Press | 2023 |
| 'The only Irish magazine' : early Blackwoods and the production of Irish 'national character' | Roberts, Daniel S. | Article in Journal | | 2017 |
| 1641 and the quest for Catholic emancipation, 1691-1829 | Hill, Jacqueline R. | Article in Book | | 1993 |
| A full and correct report of the debates at the catholic meeting held in Francis Street Chapel, Dublin, 9th April 1795, with the resolutions at full length. To which is added Mr Teeling's speech at the late Co. Antrim catholic meeting | Anonymous | Monograph or Collective Volume | | 1795 |
| A great Clare man - honest Tom Steele | Ryan, Martin | Article in Journal | | 1978 |
| A letter from a venerated nobleman, recently retired from this country, to the earl of Carlisle, explaining the causes of that event | Fitzwilliam, W. W., 2nd Earl Fitzwilliam | Monograph or Collective Volume | | 1795 |
| A letter to the societies of the United Irishmen of the town of Belfast. | Jones, W. T. | Monograph or Collective Volume | | 1792 |
| A Protestant pioneer of Catholic emancipation | Rogers, Patrick | Article in Journal | | 1995 |
| A selection from the Hay correspondence | Sweetman, William | Article in Journal | | 2003 |
| A short history of Ireland | Ranelagh, John O'Beirne | Monograph or Collective Volume | Cambridge University Press | 1983 |
| A turbulent year: Lord Anglesey’s first viceroyalty and the politics of Catholic emancipation, 1828 | Holton, Karina | Article in Journal | | 2017 |
| Acts of "national communion" : the centenary celebrations for Catholic emancipation, the forerunner of the Eucharistic Congress | McIntosh, Gillian | Article in Book | | 1999 |
| Ahamlish Parish, Co. Sligo, 1800-1880: a time of much change | McKeon, John | Article in Journal | | 2021 |
| An authentic review of the principles, measures, and designs of the Catholic association etc. | Amicus, Hibernicus, pseud. | Monograph or Collective Volume | | 1825 |
| An Inquiry into certain vulgar opinions concerning the Catholic Inhabitants and the Antiquities of Ireland, in a series of letters, etc. | Milner, John, Bishop of Castabala | Monograph or Collective Volume | | 1808 |
| Another look at Lord John Russell and the papal aggression, 1850 | Paz, D. G. | Article in Journal | | 1982 |
| Archbishop Hughes and the question of Ireland, 1829-1862 | O'Connor, Charles P. | Article in Journal | | 1989 |
| Archbishop John Thomas Troy and the catholic church in Ireland, 1787-1817 | McNally, Vincent Joseph Connor | Thesis | | 1977 |
| Architecture and Buildings: Building the Post-Emancipation Church | Jordan, Kate | Article in Book | Oxford University Press | 2023 |
| Ballads and the law, 1830-2 | Ó Dughaill, Greaghóir | Article in Journal | | 1973 |
| Beatha Sheáin Mistéil | Ó Domhnaill, Niall | Monograph or Collective Volume | Oifig Díolta Foillseacáin Rialtais | 1937 |
| Before reform : the established Church in Irish politics, 1800-30 | Brynn, Edward | Article in Journal | | 1971 |
| Bishop Murphy of Cloyne | Forde, Robert | Article in Journal | | 2005 |
| Brothers Divided | Sweetman, William | Monograph or Collective Volume | The Pike Press | 2019 |
| Burke and the Catholic question | O'Flaherty, Eamon | Article in Journal | | 1997 |
| Burke's Irish views and writings | Cullen, L. M. (Louis Michael) | Article in Book | | 1997 |
| Canning, Wellington and the Catholic Question, 1827-1829 | Machin, George Ian Thom | Article in Journal | | 1984 |
| Cardinal Newman's brother in Ireland | Hennig, John | Article in Journal | | 1947 |
| Caritas: poverty and social action | McCabe, Ciarán | Article in Book | Oxford University Press | 2023 |
| Catholic Association papers in the Dublin Diocesan archives | O'Higgins, Fergus | Article in Journal | | 1984 |
| Catholic emancipation | Rogers, Patrick | Article in Book | | 1949 |
| Catholic emancipation | Nowlan, Kevin B. | Article in Book | NA | 1986 |
| Catholic Emancipation Act of 1829 | Kerr, Donal A. | Article in Journal | | 1980 |
| Catholic Emancipation and the election of Daniel O'Connell in 1828 | Sheedy, Kieran | Article in Book | | 2008 |
| Catholic mobilisation, 1750-1850 | Whelan, Kevin | Article in Book | | 1991 |
| Catholic rent lists from the diocese of Kilmore | Cunningham, Terence | Article in Journal | | 1963 |
| Catholics in the Irish Parliament : Daniel O'Connell and his influence in Italy | Marsala, Rosanna | Article in Journal | | 2014 |
| Catholics in the United Kingdom, 1800-1820 | Mullett, Michael | Article in Book | Oxford University Press | 2023 |
| Christian citizens : the Catholic church and radical politics 1790-1800 | Keogh, Dáire | Article in Book | | 1997 |
| Constructing the repeal spectacle : monster meetings and people power in pre-famine Ireland | Owens, Gary | Article in Book | | 1993 |
| Correspondence of Daniel O'Connell, the Liberator. Edited with notices of his life and times | | Monograph or Collective Volume | John Murray | 1888 |
| Counsellor William Francis Finn | O'Shea, Sean | Article in Journal | | 2010 |
| 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 O'Connell | O'Ferrall, Fergus | Monograph or Collective Volume | Gill & Macmillan | 1981 |
| Daniel O'Connell | Lee, J.J. (John Joseph), 1942- | Article in Book | | 1991 |
| Daniel O'Connell | McMahon, Sean | Monograph or Collective Volume | Mercier Press | 2000 |
| Daniel O'Connell : a centenary evaluation | Ó Briain, F. | Article in Journal | | 1947 |
| Daniel O'Connell : nationalism without violence | Moley, Raymond | Monograph or Collective Volume | Fordham University Press | 1974 |
| Daniel O'Connell : nine centenary essays | Tierney, Mark | Monograph or Collective Volume | Browne and Nolan | 1949 |
| Daniel O'Connell : political pioneer | | Monograph or Collective Volume | Institute of Public Administration on behalf of DOCAL - Daniel O'Connell Association | 1991 |
| Daniel O'Connell : portrait of a radical | | Monograph or Collective Volume | Appletree Press | 1984 |
| Daniel O'Connell : the man and his politics | O'Connell, Maurice R. | Monograph or Collective Volume | | 1989 |
| Daniel O'Connell and Dublin's quest for a new mayoral image, 1841-71 | Clark, Mary E. | Article in Book | | 2013 |
| Daniel O'Connell and European Catholic thought | Grogan, Geraldine F. | Article in Journal | | 1991 |
| Daniel O'Connell and his world | Edwards, R. W. D. (Robert Walter Dudley) | Monograph or Collective Volume | Thames & Hudson | 1975 |
| Daniel O'Connell and religious freedom | O'Connell, Maurice | Article in Journal | | 1975 |
| Daniel O'Connell and the "American Eagle" in 1845 : slavery, diplomacy, nativism, and the collapse of America's first Irish nationalist movement | Murphy, Angela F. | Article in Journal | | 2007 |
| Daniel O'Connell in Bandon, 1839, part 4 | | Article in Journal | | 2002 |
| Daniel O'Connell's Roman bequest | Ó Fearghail, Fearghus | Article in Book | | 2008 |
| Daniel O'Connell, 1775-1847 : an ideal patriot in any age | Gavin, Tadhg | Article in Journal | | 1976 |
| Daniel O'Connell, apostolo della libertà Irlandese | De Logu, Pietro | Article in Book | | 1990 |
| Daniel O'Connell, democrat, liberal Catholic and husband | O'Connell, Maurice R. | Article in Journal | | 1993 |
| Daniel O'Connell, the 'Liberator', 1775-1847 : changing images | O'Ferrall, Fergus | Article in Journal | | 1994 |
| Daniel O'Connell. | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Monograph or Collective Volume | | 1947 |
| Diary and correspondence of George Rose. 2 vols. | | Monograph or Collective Volume | | 1860 |
| Documents : Frederick Douglass in Ireland | Douglass, Frederick, 1818-1895 | Article in Journal | | 1923 |
| Edmund Burke and Ireland | Mahoney, T. H. D. | Monograph or Collective Volume | Harvard University Press | 1960 |
| Edmund Burke and Rome | Mahoney, T. H. D. | Article in Journal | | 1958 |
| Edmund Burke's reflections on the coming revolution in Ireland | Conniff, J. | Article in Journal | | 1986 |
| Education and schooling | Whitehead, Maurice ; Raftery, Deirdre ; McDermid, Jane | Article in Book | Oxford University Press | 2023 |
| Edward Hay : historian of 1798 | Ó hÓgartaigh, Margaret | Article in Journal | | 1998 |
| Edward Hay, styled Mr Secretary Hay : Catholic politics, 1792-1822 | Whelan, Margaret | Thesis | | 1991 |
| English radicals and reformers 1760-1848 | Royle, EdwardWalvin, James | Monograph or Collective Volume | | 1982 |
| Episcopal Leaders and Leadership | Doyle, Peter | Article in Book | Oxford University Press | 2023 |
| Era of emancipation : British government of Ireland, 1812-1830 | Jenkins, Brian A. | Monograph or Collective Volume | McGill-Queen's University Press | 1988 |
| Exclusion du suffrage : L'émancipation des Catholiques | Goldring, Maurice | Article in Journal | | 1994 |
| Extra official state papers addressed to the rt. hon. Lord Rawdon | | Monograph or Collective Volume | | 1789 |
| Father Tom Maguire and the Clare election | Brady, Patrick | Article in Journal | | 1958 |
| Foreseeing the Famine? William Cobbett's Irish writings | Benchimol, Alex | Article in Book | | 2013 |
| Found : a great speech by Daniel O'Connell | Griffith, Francis | Article in Journal | | 1968 |
| Frederick Douglass in Éirinn | Kinealy, Christine | Monograph or Collective Volume | Coiscéim | 2016 |
| Frederick Douglass in Ireland : 'The Black O'Connell' | Fenton, Laurence | Monograph or Collective Volume | Collins Press | 2014 |
| Friends of Ireland: early O'Connellism in Lower Canada | Lynn, Shane | Article in Journal | | 2016 |
| Gallicanism and the veto controversy : church, state and Catholic community in early nineteenth-century Ireland | Leighton, C. D. A. | Article in Book | | 1990 |
| General Cleburne and the emancipation of slaves | Hull, Mark M. | Article in Journal | | 1996 |
| George IV and Canning | Hibbert, Christopher, 1924-2008 | Article in Journal | | 1973 |
| God-provoking democrat : the remarkable life of Archibald Hamilton Rowan | Whelan, Fergus | Monograph or Collective Volume | New Island | 2015 |
| Grattan's Ireland | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Book | | 1986 |
| Henry Gore Sankey: the portrait of a perfect mayor, 1791-2 | Griffith, Lisa-Marie | Article in Book | | 2013 |
| Henry Grattan | Kelly, James, 1959- | Monograph or Collective Volume | Dundalgan | 1993 |
| Henry Montgomery's letter to Daniel O'Connell | Clifford, BrendanMontgomery, Henry | Monograph or Collective Volume | Brendan Clifford | 1992 |
| Historical revision : was O'Connell a United Irishman? | Woods, C. J. (Christopher John) | Article in Journal | | 2006 |
| Homage to Grattan (1746-1820) | Brook-Tyrrell, Alma | Article in Journal | | 1983 |
| Homage to Grattan (1746-1820) | Brooke-Tyrrell, Alma | Article in Journal | | 1983 |
| Hugh O'Neill. The majesty of education and the princely Carews | McDonald, Tom | Article in Journal | | 2010 |
| Insel der Martyrer oder ein Volk von Rebellen? Deutschlands Katholiken und die irische Nationalbewegung in der Ara Daniel O'Connells (ca. 1820-1847) | Schneider, Bernhard | Article in Journal | | 2008 |
| Ireland : the politics of enmity, 1789-2006 | Bew, Paul | Monograph or Collective Volume | Oxford University Press | 2007 |
| Ireland and the black Atlantic in the eighteenth century | Rodgers, Nini | Article in Journal | | 2000 |
| Irish ambition and English preference in chancery appointments, 1827-1841 : the fate of William Conyngham Plunket | Kenny, Colum | Article in Book | | 1995 |
| Irish catholic petition of 1805 : the diary of Denys Scully | | Monograph or Collective Volume | | 1992 |
| Irish education and Catholic Emancipation, 1791-1831: the campaigns of Bishop Doyle and Daniel O'Connell | Fleming, Brian | Monograph or Collective Volume | Peter Lang | 2017 |
| Irish historical documents since 1800 | | Monograph or Collective Volume | Gill & Macmillan | 1992 |
| Irish M.P.s at Westminster in the early 19th century | Jupp, Peter, 1940-2006 | Article in Book | | 1969 |
| Irish parliamentary elections and the influence of the Catholic vote, 1801-20 | Jupp, Peter, 1940-2006 | Article in Journal | | 1967 |
| Irish recollections | Maume, PatrickTonna, Charlotte Elizabeth | Monograph or Collective Volume | University College Dublin | 2004 |
| James Doyle (J.K.L.), bishop of Kildare and Leighlin, and the Roman Catholic relief movement, 1822-5 | Power, Conleth J. | Thesis | | 1968 |
| Jeremy Bentham and Daniel O'Connell : their correspondence and radical alliance, 1828-1831 | Crimmins, James E. | Article in Journal | | 1997 |
| John Fitzgibbon, Earl of Clare : protestant reaction and English authority in late eighteenth-century Ireland | Kavanaugh, Ann C. | Monograph or Collective Volume | Irish Academic Press | 1997 |
| John Milner, history and Ultramontanism | Leighton, Cadoc | Article in Journal | | 2010 |
| John Murphy and educational publishing in the early nineteenth century | Cronin, Neil | Article in Journal | | 2021 |
| John Philpot Curran : his life and times | Hales, Leslie | Monograph or Collective Volume | | 1958 |
| King Dan : the rise of Daniel O'Connell, 1775-1829 | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill & Macmillan | 2008 |
| King George IV : a reappraisal | Raymond, John | Article in Journal | | 1962 |
| King of the beggars : a life of Daniel O'Connell, the Irish liberator. | O'Faolain, Sean | Monograph or Collective Volume | Figgis | 1970 |
| Law, politics and Daniel O’Connell | Bishop, Erin I. | Article in Journal | | 1995 |
| Letter to his excellency Lord Fitzwilliam, lord lieutenant of Ireland | [Drennan, William] | Monograph or Collective Volume | | 1795 |
| Letters of Orellana, an Irish helot, to the seven northern counties not represented in the national assembly of delegates held at Dublin, October 1784-1785 | [Drennan, William] | Monograph or Collective Volume | | 1785 |
| Letters of Owen Roe O'Nial | [Pollock, Joseph] | Monograph or Collective Volume | | 1779 |
| Letters on the state of Ireland addressed by J.K.L. to a friend in England | Doyle, James Warren | Monograph or Collective Volume | Thoemmes | 2001 |
| Liberator : the life and death of Daniel O'Connell 1830-47 | Geoghegan, Patrick M. | Monograph or Collective Volume | Gill and Macmillan | 2010 |
| Making nations : O'Connell, religion and the creation of political identity | Girvin, Brian | Article in Book | | 1991 |
| Mathew Carey in Ireland, 1760-84 | Carter, E. C. | Article in Journal | | 1966 |
| Memoirs of the life and times of the rt. hon. Henry Grattan. 5 vols. | | Monograph or Collective Volume | | 1839 |
| Miscellanea : Shanagolden celebrates O'Connell's victory | Coleman, Patrick | Article in Journal | | 2001 |
| Municipal reform and the repeal movement in Cork, 1833-1844 | Cronin, Maura (née Murphy) | Article in Journal | | 1976 |
| Nationalism and the Irish peasant, 1800-48 | Brown, T. N. | Article in Journal | | 1953 |
| O'Connell - the man | Horgan, John Joseph, 1881-1967 | Article in Book | | 1949 |
| O'Connell : the life of Daniel O'Connell, 1775-1847 | MacDonagh, Oliver | Monograph or Collective Volume | | 1991 |
| O'Connell and Parnell | MacDonagh, Oliver | Monograph or Collective Volume | Magdalene College | 1994 |
| O'Connell and the Irish press, 1800-42 | Inglis, Brian | Article in Journal | | 1952 |
| O'Connell calling : the liberator's place in the world | O'Kelly, John Joseph | Monograph or Collective Volume | Kerryman | 1950 |
| O'Connell holds a monster repeal meeting in the town (Charleville) | Meagher, Jim | Article in Journal | | 1986 |
| O'Connell's first speech on Catholic affairs | Griffith, Francis | Article in Journal | | 1966 |
| O'Connell's Mallow defiance speech | Buckley, Fred | Article in Journal | | 1983 |
| Opposition to tithe payment in 1832-3 | O'Donoghue, Patrick | Article in Journal | | 1972 |
| Opposition to tithe payments in 1830-31 | O'Donoghue, Patrick | Article in Journal | | 1966 |
| Papal progress | Robbins, Keith | Article in Journal | | 1982 |
| 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 |
| Priests and Parishes | Champ, Judith | Article in Book | Oxford University Press | 2023 |
| Prince Hohenlohe, Signor Pastorini and miraculous healing in early nineteenth-century Ireland | Geary, Laurence M. | Article in Book | | 1999 |
| Proceedings at the catholic meeting of Dublin duly convened 31st October 1792 at the Exhibition Room, Exchequer Street, with the letter of the corporation of Dublin to the protestants of Ireland | Anonymous | Monograph or Collective Volume | | 1792 |
| Protestants and the 1826 Waterford county election | Broderick, Eugene | Article in Journal | | 1997 |
| Reform, revolution, and reaction : Archbishop John Thomas Troy and the Catholic Church in Ireland, 1787-1817 | McNally, Vincent J. | Monograph or Collective Volume | University Press of America | 1995 |
| Religion and the rise of mass immigration : the Irish community in New York City, 1815 to 1840 | Kenny, Kevin, 1960- | Article in Journal | | 1990 |
| 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 toleration and the relaxation of the penal laws : an imperial perspective, 1763-1780 | Hill, Jacqueline R. | Article in Journal | | 1989 |
| Reminiscences of Daniel O'Connell during the agitations of the veto, emancipation and repeal | Maume, PatrickTaylor, William Cooke | Monograph or Collective Volume | University College Dublin Press | 2005 |
| Report of the debates in both houses of the parliament of Ireland on the Roman Catholic bill ... 1792 | Anonymous | Monograph or Collective Volume | | 1792 |
| Reporting the great Belfast debates of 1792 | Gray, John | Article in Journal | | 1992 |
| Revolution and the Napier brothers, 1820-40 | Napier, Priscilla | Monograph or Collective Volume | | 1973 |
| Revolutionary imperialist : William Smith O'Brien, 1803-1864 | Davis, Richard | Monograph or Collective Volume | Lilliput | 1998 |
| Richard Colley Wellesley : a viceregal champion of Catholic emancipation | Grant, Hugh | Article in Journal | | 1955 |
| Richard Elmore: forgotten emancipationist | de Bhailís Caoimhín | Article in Journal | | 2018 |
| Richard Lalor Sheil | Walsh, James | Article in Journal | | 2006 |
| Richard Mant, 1776-1848, bishop of Down, Connor and Dromore | Bolton, F. R. | Article in Journal | | 1948 |
| Riding a tiger : Daniel O'Connell, reform, and popular politics in Ireland, 1800-1847 | Hoppen, K. Theodore, 1941- | Article in Journal | | 1999 |
| Robert Peel and the Church of Ireland | Brynn, Edward | Article in Journal | | 1973 |
| Rome and the British veto, 1829-47 | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1951 |
| Seán Mac hÉil, ardeaspag agus conspóidí : athbhreithniú | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1983 |
| Secondary education | Ó Súillebháin, S. V. | Article in Book | | 1971 |
| Sectarianism in the rebellion of 1798 : the eighteenth-century context | Keogh, Dáire | Article in Book | | 1996 |
| Sharman Crawford's federal scheme for Ireland | Kennedy, B. A. | Article in Book | | 1949 |
| Sligo and Catholic Emancipation | Deignan, Padraig | Article in Journal | | 2016 |
| Some 19th century roots of the Ulster problem, 1829-48 | Cahill, G. A. | Article in Journal | | 1971 |
| Some letters of John P Leahy O.P., regarding 'The Obnoxious Clause' of the Catholic Relief Bill 1829 | Cunningham, John M.
| Article in Journal | | 2022 |
| St Vincent's Church and the Vincentians in Cork | O'Callaghan, Antóin | Article in Journal | | 2025 |
| The age of Daniel O'Connell (1800-47) | Whyte, J. H. | Article in Book | | 1967 |
| The aims and achievements of Lord Grenville | Jupp, Peter, 1940-2006 | Article in Book | | 1976 |
| The Anglican mind of Edmund Burke | Kirk, Russell | Article in Journal | | 1952 |
| The Belfast politics enlarged ... | | Monograph or Collective Volume | | 1818 |
| The Bellews of Mount Bellew : a Catholic gentry family in eighteenth-century Ireland | Harvey, Karen J. | Monograph or Collective Volume | Four Courts | 1998 |
| The Bible war in Ireland : the "Second Reformation" and the polarization of Protestant-Catholic relations, 1800-1840 | Whelan, Irene | Monograph or Collective Volume | Lilliput | 2005 |
| The birth of modern Ireland | Tierney, Mark : Mac Curtain, Margaret | Monograph or Collective Volume | Gill & Macmillan | 1969 |
| The Brunswick Clubs : rise, contradictions and abyss | Phylan, Alan | Article in Journal | | 2004 |
| The case of the Roman Catholics of Ireland | [O'Conor, Charles] | Monograph or Collective Volume | | 1755 |
| The Catholic Church and the campaign for Emancipation in Ireland and England | Macauley, Ambrose | Monograph or Collective Volume | Four Courts Press | 2018 |
| The Catholic church and the campaign for emancipation in Ireland and England | Macaulay, Ambrose | Monograph or Collective Volume | Four Courts Press | 2016 |
| The Catholic church since the Reformation | Kelleher, Thomas | Article in Book | | 1994 |
| The Catholic clergy and Irish politics in the 1830s and 1840s | Nowlan, Kevin B. | Article in Book | NA | 1974 |
| The Catholic Committee and the Kenmare secession | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1947 |
| The Catholic emancipation crisis in Ireland, 1823-29 | Reynolds, J. A. | Monograph or Collective Volume | Yale University Press | 1954 |
| The Catholic emancipation movement in the county of Donegal | MacDonagh, J. C. T. | Article in Journal | | 1957 |
| The Catholic question and the monarchy, 1827–1829 | Machin, George Ian Thom | Article in Journal | | 1997 |
| The Catholic question in English politics, 1820 to 1830 | Machin, George Ian Thom | Monograph or Collective Volume | | 1964 |
| The Catholic question in English politics, 1820 to 1830 | Mackin, G. I. T. | Monograph or Collective Volume | Clarendon Press | 1964 |
| The Catholic Question in Ireland and England, 1798-1822 : The Papers of Denys Scully | | Monograph or Collective Volume | | 1988 |
| The Catholic question in Ireland and England, 1798-1822 : the papers of Denys Scully | McDermott, BrianScully, Denys | Monograph or Collective Volume | Irish Academic Press | 1988 |
| The catholic question in Ireland, 1774-1793 | O'Flaherty, Eamon | Thesis | | 1981 |
| The Catholic question, 1801-1812 | Connolly, Sean J. | Article in Book | | 1989 |
| The Catholic rent of 1829 | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1942 |
| The Church in nineteenth century Louth | Murtagh, Michael | Article in Journal | | 2020 |
| The church in the catacombs | Keogh, Dáire | Article in Book | | 2012 |
| The Church of Ireland in the age of Catholic Emancipation | Brynn, Edward | Monograph or Collective Volume | Garland | 1982 |
| The Church of Ireland's apologetic position in the years before disestablishment | Pinnington, J. E. | Article in Journal | | 1967 |
| The conflict between Flood and Grattan, 1782-3 | O'Connor, Theresa M. | Article in Book | | 1949 |
| The constitutional revolution, 1828-32 | Best, Geoffrey Francis Andrew | Article in Journal | | 1959 |
| The contribution of O'Connell | MacDonagh, Oliver | Article in Book | | 1973 |
| The correspondence of Daniel O'Connell. 1, 1792-1814; 2, 1815-23; 3, 1824-28; 4, 1829-1832; 5, 1833-1836; 6, 1837-1840; 7, 1841-1845; 8, 1846-7 | | Monograph or Collective Volume | | 1972 |
| The distressed society; the struggle for emancipation and independence, 1801-1918 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1977 |
| The duke of Wellington and the Catholic question | Noyce, Karen A. | Article in Book | | 1990 |
| The European and American background of O'Connell's nationalism 1, Introduction; 2, The American war of independence and Irish nationalism; 3, America and Irish legislative independence; 4, The English parliamentary reform movement, 1779-80; 5, The Irish parliamentary reform movement; 6, Parliamentary reform and Irish national tradition | Edwards, R. W. D. (Robert Walter Dudley) | Article in Journal | | 1948 |
| The European view of Daniel O'Connell, with special reference to liberalism | Boland, Marie | Thesis | | 1986 |
| The fall and rise of the Irish nation : the Catholic question, 1690-1830 | Bartlett, Thomas | Monograph or Collective Volume | | 1992 |
| The Fitzwilliam episode | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Journal | | 1966 |
| The Fitzwilliam episode revisited | Lindsay, Deirdre | Article in Book | | 1993 |
| The Fitzwilliam episode, 1795 : a reinterpretation of the role of the duke of Portland | Wilkinson, David | Article in Journal | | 1995 |
| The Grattan mystique | O'Brien, Gerard | Article in Journal | | 1986 |
| The great Dan : a biography of Daniel O'Connell | Chenevix Trench, Charles | Monograph or Collective Volume | Cape | 1984 |
| The great famine and Irish politics | Connolly, Sean J. | Article in Book | | 1995 |
| The historiography of the papers of Bishop James Doyle OSB, 1786-1834, in the Kildare and Leighlin diocesan archives | McGrath, T. G. | Article in Journal | | 1988 |
| The image of O'Connell: a reappraisal | O'Mahony, Edmund Gerard | Thesis | | 1983 |
| The impact of O'Connell, 1815–1850 | Geoghegan, Patrick M. | Article in Book | | 2018 |
| The influence of the Catholic clergy on elections in 19th century Ireland | Whyte, J. H. | Article in Journal | | 1960 |
| The insecure voice : a Catholic novelist in support of emancipation | Dunne, Tom, 1939- | Article in Book | | 1991 |
| The Irish Act of Union, the Catholic question and the collapse of Pitt's ministry: a study in high politics, 1798-1801 | Geoghegan, Patrick Martin | Thesis | | 1997 |
| The Irish American response to Catholic Emancipation | Moriarty, T. F. | Article in Journal | | 1980 |
| The Irish Catholic petition of 1805, the diary of Denys Scully | MacDermot, BrianScully, Denys | Monograph or Collective Volume | Irish Academic Press | 1992 |
| The Irish opposition, parliamentary reform and public opinion, 1793-1794 | Kennedy, Denis | Article in Journal | | 1992 |
| The Irish parliamentary tradition | Collins, Stephen | Article in Journal | | 2010 |
| The Irish parliamentary tradition : With three essays on the Treaty debate by F.S.L. Lyons | Lyons, F. S. L. (Francis Stewart Leland) | Monograph or Collective Volume | Gill & Macmillan|Barnes & Noble Books | 1973 |
| The Language and Symbolism of Conquest in Ireland, c. 1790-1850 | Hill, Jacqueline R. | Article in Journal | | 2008 |
| The Lawless sortie into Co. Monaghan : September-October 1828 | Murnane, James H. | Article in Journal | | 1990 |
| The Lefroy family and the emergence of the Tory Party in County Longford, 1828-'31 | O'Ferrall, Fergus | Article in Journal | | 2006 |
| The life and times of Bishop Michael Collins (1781-1832) | Casey, William | Article in Journal | | 2013 |
| The life of William Carleton (1794-1869) and the origins of modern Irish literature | Sullivan, Eileen | Monograph or Collective Volume | Academica Press | 2001 |
| The local Protestant landed elite and the impact of O'Connellism, 1826-35 | McElroy, Martin | Article in Journal | | 2002 |
| The lonely rebellion of William Drennan | Rice, Adrian | Article in Book | | 1991 |
| The manuscripts of Captain Knox. 1, Correspondence of William Knox, chiefly in relation to American affairs, 1757-1808 | Anonymous | Article in Book | | 1909 |
| The minute book of the Catholic Committee, 1773-92 | | Article in Journal | | 1942 |
| The Moylan correspondence in Bishop's House, Killarney | | Article in Journal | | 1972 |
| The ordeal of O'Conor of Belanagare | Ward, C. C.Ward, R. E. | Article in Journal | | 1979 |
| The origins and progress of the Catholic question in Ireland, 1690-1800 | Bartlett, Thomas | Article in Book | | 1990 |
| The politics of the "Protestant Ascendancy" : County Galway 1650-1832 | Kelly, James, 1959- | Article in Book | | 1996 |
| The presbyterian synod and catholic emancipation, 1825-9 | Gallagher, J.R. | Thesis | | 1970 |
| The protestants and catholic emancipation | Day, John P. | Thesis | | 1973 |
| The relations of the Catholic Church and the state in England and Ireland, 1800-52 | Roche, K. F. | Article in Book | | 1961 |
| The religious condition of Ireland, 1770-1850 | Yates, Nigel | Monograph or Collective Volume | Oxford University Press | 2006 |
| The Right Reverend James Magaurin, D.D. Titular Bishop of the Diocese of Ardagh examined at The Select Committee appointed to enquire into The State of Ireland, 1825 | O'Hara, Aidan | Article in Journal | | 2008 |
| The struggle for Catholic emancipation in county Longford 1824-9 | O'Ferrall, Fergus | Article in Journal | | 1978 |
| The Tithe War in Murroe, 1831-8 | Tierney, Mark | Article in Journal | | 1965 |
| The Wentworth papers of Burke, Rockingham and Fitzwilliam | Hoffman, Ross J. S. | Article in Journal | | 1950 |
| The world of Daniel O'Connell | McCartney, Donal | Article in Book | | 1980 |
| Theobald McKenna and the catholic question | Leighton, Douglas Auld | Thesis | | 1985 |
| Thomas Carlyle's "The Negro Question" : black Ireland and the rhetoric of famine | Mackenzie, C. G. | Article in Journal | | 1997 |
| Thomas Steele : Clare man extraordinary | Lowth, Cormac | Article in Journal | | 1998 |
| Thomas Steele, patriot extraordinary | Lowth, Cormac | Article in Journal | | 2000 |
| Tom Boyse's high steeple | McDonald, Tom | Article in Journal | | 2013 |
| Transatlantic connections: Richard Longfield, Arthur O'Connor and Frederick Douglas | Coughlan, Ann | Article in Journal | | 2015 |
| Ulster opposition to Catholic emancipation, 1828-9 | Kingon, Suzanne T. | Article in Journal | | 2004 |
| Viceregal vignettes : Lords lieutenant of Ireland under William Pitt, the Younger, 1784-1801 | Schweitzer, D. R. | Article in Journal | | 1986 |
| Victorian centenary (Britain in 1837) | Young, G. M. | Article in Book | | 1948 |
| Was O'Connell necessary? Sir Joseph Dillon, Scotland, and the movement for Catholic Emancipation | Aspinwall, Bernard | Article in Book | | 1984 |
| Wellington and Ireland | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Journal | | 1951 |
| Wellington, Ireland and the Catholic question, 1807-1827 | Piggott, Karen Ann | Thesis | | |
| What is meant by Catholic Emancipation | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1930 |
| Where Crown met Town: The presence of lay Catholics and the uncrowned monarch of Ireland in the Chamber, 1795-1845 | Kleinman, Sylvie | Article in Book | | 2017 |
| William IV and his Catholic subjects | Allen, W. G. | Article in Journal | | 1957 |
| William Steel Dickson | Bailie, W. D. | Article in Book | | 1997 |
| Women and O'Connellite politics, 1824-45 | O'Dowd, Mary | Article in Journal | | 2014 |
| [The Catholic emancipation movement and the people : one view of popular politics in Ireland during the 1820s] | Katsuta, Shunsuki | Article in Journal | | 1995 |