| A previously unnoticed letter of Oliver Plunkett | | Article in Journal | | 1975 |
| Accusations of Oliver Plunkett | Mooney, Canice | Article in Journal | | 1956 |
| Acta Sacrae Congregationis de Propaganda Fide, 1622-50 | | Article in Journal | | 1959 |
| Alexander Lynch, schoolmaster | Rabbitte, James | Article in Journal | | 1936 |
| An unpublished letter of St Oliver Plunkett | | Article in Journal | | 1975 |
| Archives of the Irish Augustinians, Rome : a summary report | Martin, F. X. (Francis Xavier), 1922-2000 | Article in Journal | | 1955 |
| Aspects of the continental education of Irish students in the reign of Elizabeth I | Hammerstein, Helga | Article in Book | | 1971 |
| Culture and diplomacy. The Spanish Hapsburg dimension in the Irish Counter Reformation movement, c.1529-c.1629 | Downey, Declan M. | Thesis | | 1994 |
| Denis Harty : vicar apostolic of Killaloe, 1657-1667 | Murphy, Ignatius | Article in Journal | | 1989 |
| 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 |
| Early Modern English Catholicism : identity, memory and counter-Reformation | NA | Monograph or Collective Volume | Brill | 2017 |
| Episcopal comments on the Decreta pro recto regimine ecclesiarum hiberniae, 1635-36 | | Article in Journal | | 1964 |
| Father Peter Wadding, S.J. : chancellor of the University of Prague, 1629-41 | O'Dea, Paul | Article in Journal | | 1941 |
| Guide to documents of Irish and British interest in Fondo Borghese, ser. 1 | | Article in Journal | | 1961 |
| Heber Mac Mahon, soldier bishop of the Confederation of Kilkenny | Moore, S. P. | Article in Journal | | 1952 |
| Irish preachers and confessors in the archdiocese of Malines, 1607-1794 | | Article in Journal | | 1960 |
| Kilkenny's short-lived university (Feb.-July 1690) | Leonard, John | Article in Journal | | 1988 |
| Le lettere inedite di Luca Wadding ad Antonio Caracciolo e la riforma liturgica di Urbano VIII | | Article in Journal | | 1973 |
| Reforma Católica en Irlanda | Aldea Vaquero, Quintín | Article in Book | | 2002 |
| Rickard O'Connell (1572-1653) | O'Shea, Kieran | Article in Journal | | 1978 |
| Sanguinea eremus martyrum Hiberniae ord. eremit. S.P. Augustini (1655). | O'Mahony, James, d.1666 | Article in Journal | | 1950 |
| Sint-Truiden : Irish Franciscan documents | | Article in Journal | | 1963 |
| Some Irish scholars of the sixteenth century | Brady, John, d.1963 | Article in Journal | | 1948 |
| Students of the Irish College, Salamanca | O'Doherty, D. J. | Article in Journal | | 1914 |
| The completion of the Tudor conquest and the advance of the Counter-Reformation, 1571-1603 | Hayes-McCoy, G. A. (Gerard Anthony) | Article in Book | | 1976 |
| The fall and return of John Macmoyer | Ó Fiaich, Tomás | Article in Journal | | 1958 |
| The Irish college at Salamanca | Henchy, Monica | Article in Journal | | 1981 |
| 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 reorganisation of the Irish church, 1603-41 | Corish, Patrick J. | Article in Journal | | 1957 |
| The Tirry documents in the Archives de France, Paris | | Article in Journal | | 1957 |
| Two reports on the Catholic Church in Ireland in the early seventeenth century | | Article in Journal | | 1959 |
| William Bathe, S.J., recusant scholar, 1564-1614 : 'weary of the heresy' | Ó Mathúna, S. P. | Article in Journal | | 1988 |
| William Walsh, bishop of Meath, 1554-1577 | Hogan, Flannan | Article in Journal | | 1977 |