| A short-title calendar of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles, 3 : 1846 | Tierney, M. | Article in Journal | | 1991 |
| 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 catalogue of the papers of Archbishop Michael Slattery in Archbishop's House, Thurles : part 2, 1840-1845 | | Article in Journal | | 1990 |
| Books of Survey and Distribution, co. Westmeath : a comparative survey, with reference to their administrative context and chronological sequence | Tallon, Geraldine | Article in Journal | | 1978 |
| Calendar of the Irish Council book 1 Mar. 1581 to 1 Jul. 1586, made by John P. Prendergast, 1867-9 | | Article in Journal | | 1967 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 2, ff 132-283 | Millett, Benignus | Article in Journal | | 1988 |
| Calendar of volume 14 of the Fondo di Vienna in Propaganda Archives : part 3, ff. 284-395 | | Article in Journal | | 1990 |
| Catalogi librorum manuscriptorum Angliae et Hiberniae in unum collecti cum indice alphabetico. 2 vols. in 1 | Bernard, Edward | Monograph or Collective Volume | | 1697 |
| Catalogue of manuscripts in the Public Library of Armagh, 1928 | Dean, James | Monograph or Collective Volume | | 1928 |
| Catalogue of material of Irish interest in the collection Nunziatura di Fiandra, Vatican archives | Giblin, Cathaldus | Article in Journal | | 1972 |
| Cogadh Gaedhel re Gallaibh and The annals of Inisfallen | Leech, Roger H. | Article in Journal | | 1968 |
| Conall Corc and the Corcu Luigde | | Article in Book | | 1910 |
| Further notes on Ormond material in National Library | Nicholls, K. W. (Kenneth W.) | Article in Journal | | 1977 |
| Irish College, Rome : Kirby papers : guide to material of public and political interest, 1862-83 | | Article in Journal | | 1972 |
| Irish material in Fondo Santa Sede, Madrid | Mac Curtain, Benvenuta | Article in Journal | | 1963 |
| Lectures on the manuscript materials of ancient Irish history: delivered at the Catholic University of Ireland during the sessions of 1855 and 1856 | O'Curry, Eugene | Monograph or Collective Volume | James Duffy | 1861 |
| Medieval medico-philosophical treatises in the Irish language | Shaw, Francis | Article in Book | | 1995 |
| On the earliest Latin life of St. Brigid of Kildare | Esposito, Mario | Article in Journal | | 1912 |
| Ormond deeds in National Library of Ireland | Empey, C. A. (Adrian) | Article in Journal | | 1977 |
| Seventeenth-century regal visitations | Phair, P. B. | Article in Journal | | 1979 |
| Seventh-century documents | Byrne, Francis John, 1934-2017 | Article in Journal | | 1967 |
| Sources for the history of the Irish College, Rome | Hanley, John | Article in Journal | | 1964 |
| The 'Black Book' of King's Inns : an introduction with an abstract of contents | Power, Thomas | Article in Journal | | 1985 |
| The D-text of Patrick's Confession : original or reduction? | Hanson, R. P. C. | Article in Journal | | 1977 |
| The monastery of Tallaght | | Article in Journal | | 1911 |
| The Patrician texts in the Book of Armagh | | Monograph or Collective Volume | Institute for Advanced Studies | 1979 |
| The Public Record Office of Northern Ireland | Darwin, Kenneth | Article in Journal | | 1963 |
| The Vatican Archives : with special reference to sources for British medieval history | MacFarlane, Leslie | Article in Journal | | 1959 |