| Bishop Patrick O'Donnell and Rome | Silke, John J. | Article in Journal | | 2013 |
| Cardinal Patrick O'Donnell, 1856-1927 | Ó Baoighill, Pádraig S. | Monograph or Collective Volume | Foilseacháin Chró na mBothán | 2008 |
| Dark walled up with stone : contrasting images of Irish Catholicism | Kenny, Colum | Article in Journal | | 2014 |
| 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 |
| Dublin diocesan archives : an introduction | Sheehy, David C. | Article in Journal | | 1987 |
| 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 |
| Edward III’s bishops as his diplomats | Rosenthal, Joel | Article in Book | | 2016 |
| Edward Maginn of Derry and Donegal (1802-1849) : bishops, rebels and contagions | McConnell, Turlough | Article in Book | | 2021 |
| Episcopal elections in Ireland, c.1254-72 | O'Brien, A. F. | Article in Journal | | 1973 |
| Episcopal succession of Ross in the fifteenth century | Kiely, M. A. | Article in Journal | | 1936 |
| Four Scottish crosiers and their relation to the Irish tradition | Michelli, Perette E. | Article in Journal | | 1987 |
| Gilla Mic Liag Mac Ruaidhri, primate of Armagh, 1137-1174 | Gogarty, Thomas | Article in Journal | | 1918 |
| Historical introduction and overview : the un-English civil war | Morrill, John Stephen, 1946- | Article in Book | | 1997 |
| 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 |
| Irish exiles in Catholic Europe | Giblin, Cathaldus | Monograph or Collective Volume | Gill | 1971 |
| James Butler, twelfth Earl of Ormond, the Irish government, and the Bishops' Wars, 1638-1640 | Kelly, W. P. (William P.) | Article in Book | | 1997 |
| Lanfranc and the Irish church | Gwynn, Aubrey | Article in Journal | | 1941 |
| Life of St Laurence O'Toole, archbishop of Dublin, 1128-1180 | Legris, Albert | Monograph or Collective Volume | | 1914 |
| Lorcán Ó Tuathail agus a ré | Ó Duibhir, Peadar | Article in Book | | 1982 |
| Lord Galway and the penal laws | Kelly, Patrick | Article in Book | | 1987 |
| 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 |
| Out of sight, out of mind? the wills of monastic and mendicant bishops in Britain and Ireland, 1350-1535 | Thornton, David E. | Article in Journal | | 2024 |
| Political problems, 1850-60 | Whyte, J. H. | Monograph or Collective Volume | Gill | 1967 |
| Primate Reginald and Henry III | O'Halloran, M. | Article in Journal | | 1952 |
| Quatuor sanctissimi episcopi : Irish saints before St Patrick | Sharpe, Richard | Article in Book | | 1989 |
| Registrum Iohannis Mey : the register of John Mey, archbishop of Armagh, 1443-56 | | Monograph or Collective Volume | HMSO | 1972 |
| Rogue Bishops Around the Irish Sea Before the Mid-Twelfth Century | Brady, Lindy | Article in Journal | | 2020 |
| Saint Oliver Plunkett : journey to sainthood | Burns, Tommy | Monograph or Collective Volume | The author | 2014 |
| Searching for Thaddeus : images of a forgotten Irishman in Ireland and Italy | Curtin-Kelly, Patricia | Monograph or Collective Volume | Liberties Press | 2022 |
| Some unpublished letters of Mateo de Oviedo, archbishop of Dublin | | Article in Journal | | 1955 |
| Sword and mitre : government and episcopate in France and England in the age of aristocracy | Ravitch, Norman | Monograph or Collective Volume | | 1966 |
| The archbishops of Armagh and Drogheda's 'faire house', 1613-1783 | Usher, Robin | Article in Journal | | 2020 |
| The archives of the diocese of Cork & Ross, Ireland | Bolster, M. A. | Article in Journal | | 1988 |
| The civil wars experienced : Britain and Ireland, 1638-61 | Bennett, Martyn | Monograph or Collective Volume | Routledge | 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 succession of Killaloe, A.D. 1317-1616 | Gleeson, Dermot F. | Article in Journal | | 1940 |
| The Irish Bishops’ Pastoral Letter, 10 October 1922 | Doherty, Gabriel | Article in Book | Cork University Press | 2024 |
| The ordination of Dermot O'Hurley, 1581 | Millett, Benignus | Article in Journal | | 1983 |
| The reformation bishops of the diocese of Waterford and Lismore | Cowman, Des | Article in Journal | | 1984 |
| The rivalry of the cathedral chapters in medieval Dublin | Hand, Geoffrey Joseph | Article in Journal | | 1962 |
| The Stuart nomination of Irish bishops, 1687-1765 | Giblin, Cathaldus | Article in Journal | | 1965 |
| The twelfth-century reform | Gwynn, Aubrey | Monograph or Collective Volume | Gill & Macmillan | 1968 |
| Two hostile bishops? a reexamination of the relationship between Peter Browne and George Berkeley beyond their alleged controversy | Fasko, Manuel | Article in Journal | | 2022 |
| 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 |
| ‘Nobody’s ideal’ : Augustine Birrell, William Walsh and the evolution of the Irish Universities Act, 1908 | Walsh, John | Article in Journal | | 2021 |