| A bibliography of the history of Wales | Board of Celtic Studies | Monograph or Collective Volume | University of Wales Press | 1963 |
| A house divided : the dilemma of Northern Ireland | Callaghan, Leonard James, baron Callaghan of Cardiff, 1912-2005 | Monograph or Collective Volume | Collins | 1973 |
| A toothache charm in a manuscript fragment of John Lysaght | Flahive, Joseph J. | Article in Book | | 2019 |
| Agricultural transport in Wales | Jenkins, J. Geraint (John Geraint) | Monograph or Collective Volume | | 1962 |
| Aisling na Maighdine: The Virgin’s dream in Irish oral tradition | McArdle, Denis | Article in Book | | 2019 |
| Alba Longa in the Celtic regions? Swine, saints and Celtic hagiography | Jankulak, Karen, 1964- | Article in Book | | 2003 |
| An Leabhar Eoin: The ‘In principio’ charm in oral and literary tradition | Ó Crualaoich, Gearóid | Article in Book | | 2019 |
| And shall these mute stones speak? Post-Roman inscriptions in western Britain | Thomas, Charles | Monograph or Collective Volume | University of Wales Press | 1994 |
| Aspects of alien status in medieval English law, with special reference to Ireland | Hand, Geoffrey Joseph | Article in Book | | 1975 |
| Breifne and its chieftains | O'Connell, Philip | Article in Book | | 1950 |
| 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 |
| Catherine Cardiff emigrated from Glenmore, Ireland to Australia in 1869 | Rossi, Pat | Article in Journal | | 1999 |
| Celtic Christianity : texts and representations | Davies, Oliver | Article in Book | | 2002 |
| Celts and Christians : new approaches to the religious traditions of Britain and Ireland | Atherton, Mark | Monograph or Collective Volume | University of Wales Press | 2002 |
| Changing weaving styles and fabric types:The Scandinavian influence | Henry, Philippa A. | Article in Book | | 2004 |
| Charms in Medieval Irish tales: Tradition, adaptation, invention | Carey, John | Article in Book | | 2019 |
| Charms, charmers and charming in Ireland : From the medieval to the modern | | Monograph or Collective Volume | University of Wales Press | 2019 |
| Conflict and conflict regulation in Northern Ireland : October 1968 to November 1985 | Murphy, Simon Francis | Thesis | | |
| Conservative ideology and representations of the Union with Ireland, 1885-1914 | Smith, Jeremy | Article in Book | | 1996 |
| 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 |
| Did the Tudors read Giraldus? Gerald of Wales and early modern polemical historiography | Kane, Brendan | Article in Book | | 2018 |
| Dunadd : an early Dalriadic capital | Campbell, EwanLane, Alan | Monograph or Collective Volume | Oxbow Books | 2000 |
| Eamon de Valera | Edwards, Owen Dudley | Monograph or Collective Volume | GPC Books | 1987 |
| European and American scholarship and the study of Medieval Irish ‘magic’ (1846–1960) | Borsje, Jacqueline | Article in Book | | 2019 |
| Fasting, flesh and the body in the St Brendan dossier | Wooding, Jonathan M. | Article in Book | | 2003 |
| Formed by word and example : the training of novices in fourteenth-century Dublin | Ó Clabaigh, Colmán | Article in Book | | 2018 |
| From Cork to Cardiff : The life of Patrick Valentine Collins (Cardiff City Councillor, 1909-1911) | Gregory, Margaret | Article in Journal | | 2009 |
| From soldier to settler : the Welsh in Ireland, 1558-1641 | Morgan, Rhys | Thesis | | |
| Gaelic Ireland and the Renaissance | Mac Craith, Mícheál | Article in Book | | 1990 |
| Gender, nation and Ireland in the early novels of Maria Edgeworth and Lady Morgan | Connolly, Claire | Thesis | | 1995 |
| Gerald of Wales: New perspectives on a medieval writer and critic | | Monograph or Collective Volume | University of Wales Press | 2018 |
| Gildas, Maelgwn and the bards | Williams, John Ellis Caerwyn, 1912-1999 | Article in Book | NA | 1984 |
| Hillery and Callaghan, February 1971 | Dunne, Eamonn | Article in Journal | | 2002 |
| Horses in the Mabinogion | Davies, Sioned | Article in Book | | 1997 |
| Immigrants and minorities in Wales, 1840-1990 : a comparative perspective | Evans, Neil | Article in Book | | 2003 |
| Immigration and integration : the Irish in Wales, 1798-1922 | O'Leary, Paul | Monograph or Collective Volume | University of Wales Press | 2000 |
| In defence of the Irish Saints who ‘loved malediction’ | Kudenko, Ksenia | Article in Book | | 2019 |
| Intellectuals and the national question in Ireland | O'Dowd, Liam | Article in Book | | 1991 |
| Internal colonialisms? colonization, economic development and political mobilization in Wales, Scotland and Ireland | Evans, Neil | Article in Book | | 1991 |
| International Mobility versus the Needs of the Realm : The Templars and Hospitallers in the British Isles in the Thirteenth and Fourteenth Centuries | Nicholson, Helen J., 1960- | Article in Book | | 2006 |
| Introduction | Charles-Edwards, T. M. (Thomas Mowbray)Owen, Morfydd E.Russell, Paul, 1956 Feb. 23- | Article in Book | | 2000 |
| Ireland : a case of peripheral underdevelopment or capitalist colonial underdevelopment? | Crotty, Raymond, 1925-1994 | Article in Book | | 1991 |
| 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 |
| King John and the Cistercians in Wales | Jenkins, James Haydn | Thesis | | |
| Labour, Northern Ireland and the decision to send in the troops | Rose, Peter | Article in Book | | 1996 |
| Language and governance (Politics and society in Wales) | | Monograph or Collective Volume | University of Wales | 2007 |
| Language, law and governance, an Irish perspective | Ó Catháin, Leachlain | Article in Book | | 2007 |
| Legal history studies 1972 : papers presented to the Legal History Conference, Aberystwyth, 18-21 July 1972 | | Monograph or Collective Volume | | 1975 |
| Looking for medieval female religious in Britain and Ireland : sources, methodologies and pittfalls | Curran, Kimm | Article in Book | | 2018 |
| Migration and residential patterns in mid-nineteenth century Cardiff | Williams, A. M. | Article in Journal | | 1979 |
| Miracles and wonders in the composition of the Lives of the early Irish saints | Bray, Dorothy Ann | Article in Book | | 2003 |
| Monastic life in the medieval British Isles : essays in honour of Janet Burton | | Monograph or Collective Volume | University of Wales Press | 2018 |
| Muirchú’s theology of conversion in his Vita Patricii | O'Loughlin, Thomas | Article in Book | | 2002 |
| 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 |
| Nationalism and Welsh writing in comparative contexts, 1925-1966 | Jones, Elidir | Thesis | | |
| Nine hundred years of the Caput Christi charm: Scribal strategies and textual transmission | Tuomi, Ilona | Article in Book | | 2019 |
| Nineteenth-Century charm texts: scope and context | Wolf, Nicholas M. | Article in Book | | 2019 |
| Nósa Ua Maine : "the customs of the Uí Mhaine" | Russell, Paul, 1956 Feb. 23- | Article in Book | | 2000 |
| Nósa Ua Maine : fact or fiction? | Ní Mhaonaigh, Máire | Article in Book | | 2000 |
| Owen Roe O'Neill | Dowling, Linda | Article in Book | | 1950 |
| Oxygen of publicity and the suffocation of censorship : British newspaper representations of the broadcasting ban (1988-1994) | Pettigrew, Max | Thesis | | |
| Playing the game : sport and ethnic minorities in modern Wales | Evans, NeilO'Leary, Paul | Article in Book | | 2003 |
| Political independence and economic performance : Ireland outside the United Kingdom | McAleese, Dermot | Article in Book | | 1977 |
| 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 |
| Reading Muirchu's Tara-event within its background as a biblical "trial of divinities" | O'Loughlin, Thomas | Article in Book | | 2003 |
| Regions, nations and European integration : remaking the Celtic periphery | | Monograph or Collective Volume | University of Wales Press | 1991 |
| Restructuring the periphery : state, region and locality in Northern Ireland | O'Dowd, LiamRyan, Colm | Article in Book | | 1991 |
| Royal Fleets in Viking Ireland : The Evidence of Lebor na Cert, A.D. 1050-1150 | Swift, Catherine | Article in Book | | 2004 |
| Saxon or Celt? Cædmon, The Seafarer, and the Irish tradition | Atherton, Mark | Article in Book | | 2002 |
| Settlement and acculturation in the Irish Sea region | Griffiths, David, 1965- | Article in Book | | 2004 |
| Shame and reparation : women's place in the kin | Owen, M. E. | Article in Book | NA | 1980 |
| Slavery and culture in medieval Britain and Ireland : an alternative perspective of an enduring institution | Wyatt, David | Thesis | | |
| Social and economic integration in Viking-age Ireland : The evidence of the hoards | Sheehan, John | Article in Book | | 2004 |
| Sources of law of the Church of Ireland : identification, investigation and reform | Colton, W. Paul | Thesis | | |
| Southbound again : the peripheralization of Britain | Lovering, John | Article in Book | | 1991 |
| Souvenir programme of the Owen Roe O'Neill tercentenary commemoration | Owen Roe O'Neill Memorial Committee | Monograph or Collective Volume | Ardiff | 1950 |
| St Michael's parish, Athy, Co. Kildare | Cunneen, James | Monograph or Collective Volume | Ardiff | 1964 |
| St Patrick's purgatory and an episode in the story of Geraint ap Erbin | Stephens, G. A. | Article in Journal | | 1944 |
| The 'pagan' and 'Christian' identities of the Irish female | Johnston, Elva | Article in Book | | 2002 |
| The Anglo-Irish agreement : the first three years | Owen, Arwel Ellis | Monograph or Collective Volume | University of Wales Press | 1994 |
| The Barrowhouse ambush 1921 | O'Meara-Cardiff, Nessa | Monograph or Collective Volume | Lettertec Publishing | 2022 |
| The battle of Benburb | Dowling, Linda | Article in Book | | 1950 |
| The British heroic age : the Welsh and the men of the north | Chadwick, Nora Kershaw, 1891-1972 | Monograph or Collective Volume | NA | 1976 |
| The Cailleach and the Cosmic Hare | Lehane, Shane | Article in Book | | 2019 |
| The Celtic languages of Britain | Roberts, Brynley F. | Article in Book | | 1997 |
| The Celts and the Renaissance : Tradition and Innovation - proceedings of the Eighth International Congress of Celtic Studies 1987. | | Monograph or Collective Volume | | 1990 |
| The conversion of the English to Christianity : some comments on the Celtic contribution | Loyn, Henry Royston | Article in Book | | 1984 |
| The earliest words for 'horse' in the Celtic languages | Kelly, Patricia | Article in Book | | 1997 |
| The early chronology for St Patrick (c.351 - c. 428) : some new ideas and possibilities | Koch, John T. | Article in Book | | 2003 |
| 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 function of hospitaller houses in England, Ireland, Scotland and Wales | Majoros, Christie | Thesis | | |
| The horse in the Welsh law texts | Jenkins, Dafydd | Article in Book | | 1997 |
| The idea of the Celt | Wooding, Jonathan M. | Article in Book | | 2002 |
| 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 language and the Irish legal system : 1922 to present | Ó Conaill, Seán | Thesis | | 2013 |
| The Irish language and the Irish legal system, 1922 to present | O'Conaill, Seán | Thesis | | |
| 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 literary tradition of Irish saints in the order of the Canons Regular of the Lateran | Hennig, J. | Article in Journal | | 1946 |
| The making of insular Celtic | Greene, David | Article in Book | | 1966 |
| The natural world in early Irish Christianity : an ecological footnote | Low, Mary | Article in Book | | 2002 |
| The normal paradigms of a woman's life in the Irish and Welsh texts | McAll, C. | Article in Book | NA | 1980 |
| The Northern Lectionary : a source for the Codex Salmanticensis? | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| The other close at hand : Gerald of Wales and the "Marvels of the West" | Mittman, Asa Simon, 1976- | Article in Book | | 2003 |
| The religious significance of the sén 7 soladh in Altram Tige Dá Medar | Hambro, Cathinka Dahl | Article in Book | | 2019 |
| The Sheela-na-Gig : An Incongruous Sign of Sexual Purity? | Dor, Juliette | Article in Book | | 2003 |
| The transmission of the Expugnatio Hibernica in fifteenth-century Ireland | Whelan, Caoimhe | Article in Book | | 2018 |
| The treason and trial of Sir John Perrot | Turvey, Roger | Monograph or Collective Volume | University of Wales Press | 2005 |
| The vikings and Irish sea area | Sawyer, Peter Hayes | Article in Book | | 1970 |
| 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 world of bishops in religious orders in medieval Ireland, 1050-1230 | Bhreathnach, Edel | Article in Book | | 2018 |
| The wreck of the Moresby | O'Neill, Assumpta | Article in Journal | | 1989 |
| Through the prism of ethnic violence : riots and racial attacks in Wales, 1826-2002 | Evans, Neil | Article in Book | | 2003 |
| Towards a typology of European narrative charms in Irish oral tradition | Hillers, Barbara | Article in Book | | 2019 |
| Understanding social justice : Paddy Cardiff and the discipline of trade unionism | Devine, Francis | Monograph or Collective Volume | | 2002 |
| 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 |
| Yeats debt to Ronsard on a 'Carpe Diem' theme | Mackey, William F. | Article in Journal | | 1946 |
| ‘Cahill’s blood’: Mr Cahill Makes the Cure | Nuttall, Deirdre | Article in Book | | 2019 |
| ‘The cure for bleeding’: Charms and other cures for blood-stopping in Irish tradition | Ní Fhloinn, Bairbre | Article in Book | | 2019 |
| ‘We’ll talk now about charms’: Knowledge as folklore and folklore as knowledge | Ó Cadhla, Stiofán | Article in Book | | 2019 |