| A bibliography of the history of Wales | Board of Celtic Studies | Monograph or Collective Volume | University of Wales Press | 1963 |
| Agricultural transport in Wales | Jenkins, J. Geraint (John Geraint) | Monograph or Collective Volume | | 1962 |
| And shall these mute stones speak? Post-Roman inscriptions in western Britain | Thomas, Charles | Monograph or Collective Volume | University of Wales Press | 1994 |
| Brut y Tywsogyon, or , the chronicle of the princes : red book of Hergest version | | Monograph or Collective Volume | University of Wales Press | 1955 |
| Catalogue of seals in the National Museum of Wales, II : ecclesiastical, monastic and collegiate seals with a supplement concerning Wales | Williams, David H. (David Henry), 1933- | Monograph or Collective Volume | National Museums & Galleries of Wales | 1998 |
| Celts and Christians : new approaches to the religious traditions of Britain and Ireland | Atherton, Mark | Monograph or Collective Volume | University of Wales Press | 2002 |
| Charms, charmers and charming in Ireland : From the medieval to the modern | | Monograph or Collective Volume | University of Wales Press | 2019 |
| Criminals or scapegoats? : the Irish and crime in nineteenth-century Cardiff | Summers, Veronica | Article in Journal | | 2001 |
| Cronica Walliae | Llwyd, Humphrey | Monograph or Collective Volume | Gwasg Prifysgol Cymru / University of Wales Press | 2016 |
| Eamon de Valera | Edwards, Owen Dudley | Monograph or Collective Volume | GPC Books | 1987 |
| From Cork to Cardiff : The life of Patrick Valentine Collins (Cardiff City Councillor, 1909-1911) | Gregory, Margaret | Article in Journal | | 2009 |
| Gerald of Wales: New perspectives on a medieval writer and critic | | Monograph or Collective Volume | University of Wales Press | 2018 |
| Immigration and integration : the Irish in Wales, 1798-1922 | O'Leary, Paul | Monograph or Collective Volume | University of Wales Press | 2000 |
| Ireland divided : the roots of the modern Irish problem | Hughes, Michael, 1942-1993 | Monograph or Collective Volume | University of Wales Press | 1994 |
| Irish immigration and the Catholic 'Welsh District' 1840-1850 | O'Leary, Paul | Article in Book | NA | 1988 |
| Irish settlement in nineteenth century Cardiff | Hickey, John | Article in Book | | 2004 |
| Jailtacht : the Irish language, symbolic power and political violence in Northern Ireland, 1972-2008 | Mac Giolla Chríost, Diarmait | Monograph or Collective Volume | University of Wales Press | 2012 |
| James Mullin, the poor scholar : a self-made man from Carleton's country | Maume, Patrick | Article in Journal | | 1999 |
| James Ussher, archbishop of Armagh | Knox, Robert Buick | Monograph or Collective Volume | | 1967 |
| Language and governance (Politics and society in Wales) | | Monograph or Collective Volume | University of Wales | 2007 |
| Legal history studies 1972 : papers presented to the Legal History Conference, Aberystwyth, 18-21 July 1972 | | Monograph or Collective Volume | | 1975 |
| Migration and residential patterns in mid-nineteenth century Cardiff | Williams, A. M. | Article in Journal | | 1979 |
| Monastic life in the medieval British Isles : essays in honour of Janet Burton | | Monograph or Collective Volume | University of Wales Press | 2018 |
| Museums and ideology : Augustus Pitt-Rivers, anthropological museums, and social change in later Victorian Britain | Van Keuren, D. K. | Article in Journal | | 1984 |
| Mute stones with much to say : a review article | Ó Cróinín, Dáibhí | Article in Journal | | 1995 |
| Politics and society in Wales, 1840-1922 : essays in honour of Ieuan Gwynedd Jones | NA | Monograph or Collective Volume | NA | 1988 |
| Radical Joe : a life of Joseph Chamberlain | Judd, Denis, 1938- | Monograph or Collective Volume | University of Wales Press | 1993 |
| Re-thinking the origins of the 'Irish' hobelar | Jones, Robert, 1974- | Monograph or Collective Volume | Cardiff School of History and Archaeology, Cardiff University | 2008 |
| Regions, nations and European integration : remaking the Celtic periphery | | Monograph or Collective Volume | University of Wales Press | 1991 |
| Shame and reparation : women's place in the kin | Owen, M. E. | Article in Book | NA | 1980 |
| The Anglo-Irish agreement : the first three years | Owen, Arwel Ellis | Monograph or Collective Volume | University of Wales Press | 1994 |
| The British heroic age : the Welsh and the men of the north | Chadwick, Nora Kershaw, 1891-1972 | Monograph or Collective Volume | NA | 1976 |
| The Celts and the Renaissance : Tradition and Innovation - proceedings of the Eighth International Congress of Celtic Studies 1987. | | Monograph or Collective Volume | | 1990 |
| The economics of devolution:proceedings of section F of the British Association for the Advancement of Science, University of Aston1977 | | Monograph or Collective Volume | University of Wales Press | 1977 |
| The international popular tale and early Welsh tradition | Jackson, K. H. | Monograph or Collective Volume | | 1961 |
| The Irish in Cardiff in the mid-nineteenth century | Lewis, C. R. | Article in Journal | | 1980 |
| The Irish literary tradition | Caerwyn Williams, J. E.Ford, Patrick K. | Monograph or Collective Volume | | 1992 |
| The legend of Merlin. An inaugural lecture delivered at University College, Cardiff, 10th March 1959 | Jarman, A. O. H. | Monograph or Collective Volume | NA | 1960 |
| The normal paradigms of a woman's life in the Irish and Welsh texts | McAll, C. | Article in Book | NA | 1980 |
| The treason and trial of Sir John Perrot | Turvey, Roger | Monograph or Collective Volume | University of Wales Press | 2005 |
| The Welsh Language: A History | Davies, Janet | Monograph or Collective Volume | University of Wales Press | 2014 |
| The Welsh law of women | NA | Monograph or Collective Volume | NA | 1980 |
| The Welsh Life of Saint David | | Monograph or Collective Volume | Gwasg Prifysgol Cymru/University of Wales Press | 2016 |
| The wreck of the Moresby | O'Neill, Assumpta | Article in Journal | | 1989 |
| Urban Catholics : urban Catholicism in England and Wales from 1829 to the present day | Hickey, John | Monograph or Collective Volume | | 1967 |
| Wales and the Arthurian legend | Loomis, R. S. | Monograph or Collective Volume | NA | 1956 |