| Analecta Hibernica, including the reports of the Irish Manuscripts Commission, 6 : November, 1934 | Irish Manuscripts Commission | Monograph or Collective Volume | | 1934 |
| Calendar of the Carew manuscripts preserved in the archiepiscopal library at Lambeth. 6 vols. | | Monograph or Collective Volume | | 1867 |
| Calendar of volume 15 of the Fondo di Vienna in Propaganda archives | Millett, Benignus | Article in Journal | | 1991 |
| Catalogue of Irish manuscripts in King's Inns Library, Dublin | De Brún, Pádraig | Monograph or Collective Volume | Institute for Advanced Studies | 1972 |
| Catalogue of Irish manuscripts in the British Museum | Flower, RobinO'Grady, S. H. (Standish Hayes) | Monograph or Collective Volume | Trustees of the British Museum | 1926-1953 |
| Clár lámhscríbhinní Gaeilge : leabharlanna na cléire agus mionchnuasaigh. 2 vols. | Ó Fiannachta, Pádraig | Monograph or Collective Volume | Institute for Advanced Studies | 1978 |
| Government of Northern Ireland. Public Record Office. Report of the Deputy Keeper of the Records for the year 1937 | Anonymous | Monograph or Collective Volume | | 1938 |
| Index to the manuscripts of military interest in the National Library of Ireland | | Article in Journal | | 1954 |
| Irish economics, 1700-83 : a bibliography with notes | Wagner, H. R. | Monograph or Collective Volume | | 1907 |
| Memorandum on the destruction and reconstruction of the records | Anonymous | Article in Book | | 1922 |
| Report of the Deputy Keeper of the Records for the years 1949-50 | Public Record Office of Northern Ireland | Monograph or Collective Volume | | 1952 |
| Reports of the Deputy Keeper of the Public Records and Keeper of the State Papers in Ireland | Public Record Office, Ireland | Monograph or Collective Volume | | 1869 |
| The Church in Ireland in the mid-fifteenth century | Flanagan, U. G. | Article in Journal | | 1952 |
| The Irish Manuscripts Commission : work in progress | Hogan, J. | Monograph or Collective Volume | University P. | 1954 |
| The O'Conor manuscripts in the Stowe Ashburnham collection | Sheehan, C. A. (Catherine A.) | Article in Journal | | 1952 |
| The Public Record Office of Northern Ireland | Darwin, Kenneth | Article in Journal | | 1963 |
| The public records of Ireland before and after 1922 | Wood, Herbert | Article in Journal | | 1930 |
| The sources for medieval Anglo-Irish history | Brooks, E. St. J. | Article in Book | | 1958 |