| "Eden in Albion" : a history of the Mikveh in Britain | Kadish, Sharman, 1959- | Article in Book | Vallentine Mitchell | 1996 |
| "Everybody is Irish on St. Paddy's" : ambivalence and alterity at London's St. Patrick's day 2002 | Nagle, John | Article in Journal | | 2005 |
| "Imagining Ulster" : the north of Ireland and British national identity, 1880-1921 | Louglin, James | Article in Book | Four Courts Press | 1998 |
| "Just the Same Part of the United Kingdom as Your County Sussex" : the BBC and the arrival of television in Northern Ireland in the 1950s | Hill, AndrewHill, John W. | Article in Journal | | 2007 |
| "Parlour entertainment in an evening"? Histories of the 1640s | Barnard, T. C. (Toby Christopher) | Article in Book | Four Courts Press | 2001 |
| "The inferior sort of the kingdom of Ireland" : Irishmen and Tyburn Tree | White, Barbara | Article in Journal | | 1998 |
| "The modell of its sad afflictions" : Henry Burkhead's Tragedy of Cola's Furie | Coughlan, Patricia | Article in Book | Four Courts Press | 2001 |
| "Though hereticks and politicians should misinterpret their good zeale" : political ideology and Catholicism in early modern Ireland | Ó hAnnracháin, Tadhg | Article in Book | Cambridge University Press in association with the Folger Institute, Washington, DC | 2000 |
| 'A Kingdom near lost' : English military recovery in Ireland, 1600-03 | O'Neill, James | Article in Journal | | 2016 |
| 'Dropped into this kingdom from the clouds':The Irish career of Davis Dukart, architect and engineer | Logan, John | Article in Journal | | 2007 |
| 'If Egypt now enslav'd or free a kingdom or a province be' : translating Corneille in restoration Dublin | Rankin, Deana | Article in Book | | 2004 |
| 'Our literary history in the making': the persistence of the literary press, 1969-2000 | Holland, Siobhán | Article in Book | | 2011 |
| 'Scottish peers' in seventeenth-century Ireland | Ohlmeyer, Jane | Article in Book | | 2016 |
| 'The blind leading the blind'? London's response to the 1969 crisis | Bew, Paul | Article in Journal | | 2009 |
| 'The first of its kind in this part of the Kingdom': The Dundalk Charitable Infirmary 1753 | Mullaney, Susan | Article in Journal | | 2012 |
| 1820 : disorder and stability in the United Kingdom | Chase, Malcolm | Monograph or Collective Volume | Manchester UP | 2013 |
| A bibliography of United Kingdom politics : Scotland, Wales and Northern Ireland | McAllister, IanPollock, Laurence | Monograph or Collective Volume | Centre for the Study of Public Policy, University of Strathclyde | 1980 |
| A booke of questions and answars concerning the warrs or rebellions or the kingdome of Irelande | | Article in Journal | | 1995 |
| A booke of questions and answers concerning the wars or rebellions of the kingdome of Ireland | Morgan, Hiram | Article in Journal | | 1994 |
| A case-study in early Irish regnal succession : the kingdom of Osraige, 802-1003 | Reid, Jim | Article in Journal | | 2019 |
| A Century of politics in the Kingdom: A County Kerry compendium | O’Shea, OwenRevington, Gordon | Monograph or Collective Volume | Irish Academic Press | 2018 |
| A dictionary of drama : a guide to the plays, playwrights, players and playhouses of the United Kingdom and America, from the earliest times to the present, 1 : A-G | Adams, W. D. | Monograph or Collective Volume | | 1904 |
| A directory for the publique worship of God, throughout the three kingdoms of England, Scotland and Ireland. Together with an ordinance of parliament for the taking away of the Book of Common-Prayer. | Anonymous | Monograph or Collective Volume | | 1644 |
| A directory of rare book and special collections in the United Kingdom and the Republic of Ireland | | Monograph or Collective Volume | Library Association | 1985 |
| A directory of rare books and special collections in the United Kingdom and Republic of Ireland | Bloomfield, B. | Monograph or Collective Volume | Library Association | 1995 |
| A disquisition touching that great question whether an Act of Parliament made in England shall bind the kingdom and people of Ireland without their allowance and acceptance of such an Act in the kingdom of Ireland | Domville, WilliamKelly, Patrick | Article in Journal | | 2007 |
| A disunited kingdom? England, Ireland, Scotland and Wales, 1800-1949 | Kinealy, Christine | Monograph or Collective Volume | Cambridge University Press | 1999 |
| A double periphery : Ireland within the United Kingdom 1800-1921 | Hoppen, K. Theodore, 1941- | Article in Book | | 1997 |
| A general directory of the kingdom of Ireland | Lucas, Richard | Article in Journal | | 1968 |
| A general directory of the kingdom of Ireland ... | Lucas, Richard | Monograph or Collective Volume | | 1788 |
| A general directory of the kingdom of Ireland, or, merchants and traders most useful companion | Lucas, Richard | Article in Journal | | 1966 |
| A geographical description of the kingdom of Ireland. 37 maps. | Petty, William, Sir, 1623-1687Pratt, Henry | Monograph or Collective Volume | | 1728 |
| A geographicall description of the kingdom of Ireland : collected from the actual survey made by Sir William Petty, corrected and amended ... | Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | | 1685 |
| A history of the English people in the 19th century | Halévy, Élie, 1870-1937 ; Barker, D. A. ; Watkin, E. I. | Monograph or Collective Volume | NA | 1949 |
| A history of the kingdom of Kerry | Cusack, M. F. (Margaret Anna), 1829-1899 | Monograph or Collective Volume | Éamonn de Búrca | 1995 |
| A history of the modern British Isles, 1529-1603 : the two kingdoms | Nicholls, Mark | Monograph or Collective Volume | Blackwell Publishers | 1999 |
| A kingdom apart | Mannix, Patrick | Article in Book | Irish Historical Publications | 2016 |
| A kingdom of wine : a celebration of Ireland's winegeese | Murphy, Ted | Monograph or Collective Volume | Ostream | 2005 |
| A kingdom united : British and Irish responses to the outbreak of war, July to December 1914 | Pennell, Catriona | Thesis | | 2008 |
| A kingdom united : popular responses to the outbreak of the First World War in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| A kingdom united: popular responses to the outbreak of the first world war in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| A kingdom united: popular responses to the outbreak of the First World War in Britain and Ireland | Pennell, Catriona | Monograph or Collective Volume | Oxford University Press | 2012 |
| A letter to the member of the h[ous]e of c[ommon]s of I[relan]d in the present crisis of affairs in that kingdom | Anonymous | Monograph or Collective Volume | | 1753 |
| A map of the kingdom of Ireland corrected and improved ... | Pratt, Henry | Monograph or Collective Volume | | 1708 |
| A new mapp of the kingdome of Ireland done from Sir William Petty's survey | Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | | 1691 |
| A note of the identification of Aileach | Tierney, Andrew | Article in Journal | | 2003 |
| A political odyssey : Thomas O'Donnell M.P. for west Kerry 1900-1918 | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1983 |
| A reader's guide to the place-names of the United Kingdom : a bibliography of publications, 1920-1989, on the place-names of Great Britain and Northern Ireland, The Isle of Man, and the Channel Islands | Field, John, 1921-Spittal, Jeffrey | Monograph or Collective Volume | | 1990 |
| A research register of territorial politics in the United Kingdom. | Jones, James Barry | Monograph or Collective Volume | | 1980 |
| A short history of parliament : England, Great Britain, the United Kingdom, Ireland and Scotland | | Monograph or Collective Volume | Boydell & Brewer | 2009 |
| A single currency for the British Empire? a warning for the Euro | Mohr, Thomas | Article in Journal | | 2013 |
| A special kind of courage : EOD squadron - battling the bombers | Ryder, Chris | Monograph or Collective Volume | Methuen | 2005 |
| A tour in Ireland : with general observations on the present state of the kingdom : made in the years 1776, 1777, and 1778, and brought down to the end of 1779 | Young, Arthur, 1741-1820 | Monograph or Collective Volume | | 1780 |
| A tour through Ireland in several entertaining letters. Wherein the present state of the kingdom is considered... | [Chetwood, W. R.] | Monograph or Collective Volume | | 1748 |
| A true and impartial history of the most material occurrences in the kingdom of Ireland during the last two years. (An impartial history of the wars of Ireland, Part 1) | [Story, George] | Monograph or Collective Volume | | 1691 |
| A view of religious affiliation and practice in Thomond, 1591 | Cunningham, Bernadette | Article in Journal | | 1994 |
| Abbesses, minor dynasties and kings in clericatu : perspectives of Ireland, 700-850 | Bhreathnach, Edel | Article in Book | | 2001 |
| Accommodation and resistance : a comparison of cultural identities in Ireland and Wales, c.1880-1914 | O'Leary, Paul | Article in Book | | 1998 |
| Adomnán's Vita Columbe - a manifesto for a new Christian kingdom in Ireland? | Cronin, Anthony | Article in Book | | 2013 |
| After the Good Friday Agreement : analysing political change in Northern Ireland | | Monograph or Collective Volume | University College Dublin | 1999 |
| Alfred O'Rahilly : 2 : public figure | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1989 |
| Alfred O'Rahilly, 3 : Controversialist. Part 2 : Catholic apologist | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1993 |
| Alfred O'Rahilly, vol. 3 : controversialist, part 1 : social reformer | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom | 1992 |
| Alfred O'Rahilly. Vol. 1 : academic | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1986 |
| Alfred's contemporaries : Irish, Welsh, Scots and Breton | Davies, Wendy, 1942- | Article in Book | | 2003 |
| Allman's Distillery, Bandon, County Cork, from 'The Whiskey Distilleries of the United Kingdom', Barnard, 1880 | Anonymous | Article in Journal | | 2006 |
| An account of Ireland in 1773 | Macartney, George, Sir | Monograph or Collective Volume | [s.n.] | 1773 |
| An account of Ireland in 1773. By a late chief secretary of that kingdom | [Macartney, George], Sir | Monograph or Collective Volume | | 1773 |
| An argument defending the right of the Kingdom of Ireland (1645). First publication in English with Conor O'Mahony, the 1641 rebellion and the independence of Ireland. | O'Mahony, Conor | Monograph or Collective Volume | Aubane | 2012 |
| An argument in support of the right of the poor in the kingdom of Ireland, to a national provision | Woodward, Richard | Monograph or Collective Volume | | 1768 |
| An early group of crosses from the kingdom of Ossory | Edwards, Nancy | Article in Journal | | 1984 |
| An eccentric chemistry : Michael Moynihan and Labour in Kerry, 1917-2001, and liberating the kingdom, &|Liberating the Kingdom: the Transport Union in Kerry, 1918-1990 | Devine, Francis | Monograph or Collective Volume | Irish Labour History Society | 2004 |
| An history of Ireland, from the year 1599 to 1603 : with a short narration of the state of the kingdom from the year 1169; to which is added a description of Ireland. 2 vols. | Moryson, Fynes | Monograph or Collective Volume | | 1735 |
| Anglo-Saxon England and the Continent | Story, Joanne | Article in Book | The British Library | 2018 |
| Anglo-Saxon kingdoms : art, word, war | | Monograph or Collective Volume | The British Library | 2018 |
| Annála ríoghachta Éireann : Annals of the Kingdom of Ireland, by the four masters, from the earliest period to 1616. 7 vols. | | Monograph or Collective Volume | Hodges & Smith | 1851 |
| Annals of the kingdom of Ireland from the earliest times to the year 1616 | | Monograph or Collective Volume | De Búrca Rare Books | 1990 |
| Associational behavior in context : Irish immigrant origins of identity in the diaspora | Nyhan, Miriam | Article in Journal | | 2011 |
| Austin Stack : portrait of a separatist | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1977 |
| Awkward neighbours? | Macinnes, Allan I.Ohlmeyer, Jane H. | Article in Book | | 2002 |
| Battles for the three kingdoms : the campaigns for England, Scotland and Ireland, 1689-92 | Barratt, John, 1946- | Monograph or Collective Volume | Sutton | 2007 |
| Being Gay in Ireland: Resisting Stigma in the Evolving Present | Rodgers, Gerard | Monograph or Collective Volume | Lexington Books | 2018 |
| Between four kingdoms : international Catholicism and Colonel William Semple | Redworth, Glyn | Article in Book | | 2002 |
| Between heaven and earth | Murray, Peter | Article in Journal | | 2014 |
| Between Ulster and the Kingdom of God: Uses of the Bible by Evangelicals in the Northern Ireland Troubles | Searle, Joshua T. | Article in Book | | 2018 |
| Beyond Social Capital : The role of leadership, trust and Government Policy in Northern Ireland's
Beyond Social Capital : The role of leadership, trust and Government Policy in Northern Ireland's Victim Support Groups | Graham, Laura K. | Monograph or Collective Volume | Palgrave MacMillan | 2016 |
| Book of the Callaghan : Ceallachain Caisil, King of Munster, 934-954 ; the factual and true account of how the eponymous father of all O'Callaghans pacified Viking invaders in the Kingdom of Munster | | Monograph or Collective Volume | [The author] | 2013 |
| Book reviews 1975-2021 : reviews of works by distinguished biographers, historians, philosophers and writers | Gaughan, J. Anthony | Monograph or Collective Volume | Kingdom Books | 2022 |
| Boomerang : the meltdown tour | Lewis, Michael | Monograph or Collective Volume | Allen Lane | 2011 |
| Boyle’s war: the first Earl of Cork and the first Bishop’s War | Little, Patrick | Article in Book | | 2018 |
| Bray, Brunel and all that | Murray, K. A. | Article in Journal | | 1960 |
| Breifne and its chieftains, 940-1300. Pt. 1 | Mac An Ghallóglaigh, Domhnall | Article in Journal | | 1988 |
| Brexit and Northern Ireland : the 2016 referendum on the United Kingdom’s membership of the European Union | Hainsworth, PaulMcCann, Gerard | Article in Journal | | 2017 |
| Brian's origins and the kingdom of North Munster | Swift, Cathy | Article in Journal | | 2014 |
| Britania : or, a geographical description of the kingdoms of England, Scotland and Ireland. | Blome, Richard | Monograph or Collective Volume | The author | 1673 |
| Britannia, sive, florentissimorum regnorum Angliae, Scotiae, Hiberniae et insularum adiacentium ex intima antiquitate chorographica descripto | Camden, William, 1551-1623 | Monograph or Collective Volume | | 1586 |
| Britannia; a chorographical description of the flourishing kingdoms of England, Scotland and Ireland ... from the earliest antiquity | Camden, William, 1551-1623Gough, Richard | Monograph or Collective Volume | | 1806 |
| British archives : a guide to archive resources in the United Kingdom. | Foster, JanetSheppard, Julia | Monograph or Collective Volume | | 1989 |
| British Labour and Irish Rebels : 5“Try and Understand” | Bell, Geoffrey | Article in Book | | 2019 |
| British trials of Irish Nationalist defendants : the quality of justice strained | Lutz, Brenda J. ; Lutz, James M. ; Wralstad Ulmschneider, Georgia | Article in Journal | | 2002 |
| Britishness, the United Kingdom and the revolutions of 1848 | Belchem, John | Article in Journal | | 1999 |
| Calendar of documents relating to medieval Ireland in the series of ancient deeds in the National Archives of the United Kingdom | | Article in Journal | | 2006 |
| Castles, town defences and artillery fortifications in the United Kingdom and Ireland : a bibliography 1945-2006 | Kenyon, John R. | Monograph or Collective Volume | Shaun Tyas | 2008 |
| Catholicism in a Protestant kingdom : a study of the Irish 'ancien regime' | Leighton, C. D. A. | Monograph or Collective Volume | Macmillan | 1994 |
| Catholics in the United Kingdom, 1800-1820 | Mullett, Michael | Article in Book | Oxford University Press | 2023 |
| Cenél Conaill and the Donegal Kingdoms | Lacey, Brian | Monograph or Collective Volume | Four Courts | 2006 |
| Certain southern Uí Néill kingdoms | Byrne, Paul F. | Thesis | | 2000 |
| Chronology of events, 1641-9 | Anonymous | Article in Book | | 2001 |
| Citizenship and the state in Ireland : from medieval lordship to early modern kingdom | Ellis, Steven G., 1950- | Article in Book | | 2018 |
| Citizenship, colonialism and self-determination: Dublin in the United Kingdom, 1885-1918 | Murray, Peter | Thesis | | 1988 |
| Civil Services of the United Kingdom, 1855-1970 | Gladden, E. N. | Monograph or Collective Volume | | 1967 |
| Civil war : the wars of the three kingdoms, 1638-1660 | Royle, Trevor | Monograph or Collective Volume | Little, Brown | 2004 |
| Civil war and restoration in the three Stuart kingdoms : the career of Randal MacDonnell, marquis of Antrim, 1609-1683 | Ohlmeyer, Jane H. | Monograph or Collective Volume | Cambridge University Press | 1993 |
| Coins of England and the United Kingdom | | Monograph or Collective Volume | | 1991 |
| Commemorating bonds of Union: remembering the Ulster Special Constabulary at the National Memorial Arboretum | Armstrong, L. J. | Article in Book | | 2017 |
| Complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom ... 8 vols. | Cokayne, George Edward, 1825-1911 | Monograph or Collective Volume | | 1887 |
| Composite monarchies in early modern Europe : the British and Irish example | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Book | | 1995 |
| Conall Mag Eochagáin's History of the Kingdom of Ireland, 1627 [Review article] | Cunningham, Bernadette | Article in Journal | | 2025 |
| Conclusion : contingency, identity, sovereignty | Pocock, John Greville Agard, 1924- | Article in Book | | 1995 |
| Confederate military strategy, 1643-7 | Lenihan, Pádraig, 1959- | Article in Book | | 2001 |
| Confessionalization and clan cohesion : Ireland's contribution to Scottish Catholic renewal in the seventeenth century | Spurlock, R. Scott | Article in Book | | 2016 |
| Connemara : a little Gaelic Kingdom | Robinson, Tim | Monograph or Collective Volume | Penguin Ireland | 2011 |
| Conquests and continuities | Crick, Julia | Article in Book | The British Library | 2018 |
| Contested kingdoms, 1688-1756 | Hayton, D. W. (David William) | Article in Book | | 2002 |
| Contesting the sovereignty of early Modern Ireland | Maginn, Christopher | Article in Journal | | 2007 |
| Count up to twenty-one : Scottish women in formal politics | Burness, Catriona | Article in Book | | 2010 |
| Counter-currents in colonial discourse : the political thought of Vincent and Daniel Gookin | Coughlan, Patricia | Article in Book | | 2000 |
| Counter-terrorist law and the emergency powers in the United Kingdom, 1922-2000 | Donohue, Laura K. | Monograph or Collective Volume | Irish Academic Press | 2007 |
| County families of the United Kingdom, or Royal Manual of the titled and untitled aristocracy of England and Wales, Scotland, and Ireland | Walford, E. | Monograph or Collective Volume | | 1860 |
| Covenanting ideology in seventeenth-century Scotland | Macinnes, Allan I. | Article in Book | | 2000 |
| Cows eat grass, don't they? contrasting sociotechnical imaginaries of the role of grazing in the UK and Irish dairy sectors | Shortall, Orla | Article in Journal | | 2019 |
| Cows eat grass, don't they? contrasting sociotechnical imaginaries of the role of grazing in the UK and Irish dairy sectors | Shortall, Orla | Article in Journal | | 2019 |
| Creative inheritance | McQuillan, Deirdre | Article in Journal | | 2014 |
| Crewbane souterrain and nearby archaeological features, Brugh na Bóinne, Slan, Co. Meath | Dowling, GerFenwick, JoeRogers, JohnSchot, Roseanne | Article in Journal | | 2012 |
| Crisis and scandal: Government, Local Government and Health Reform in Northern Ireland, 1939-44 | Jones, GretaPrivilege, John | Article in Journal | | 2015 |
| Crown prince | McQuillan, Deirdre | Article in Journal | | 2014 |
| Cultural Identity in British Musical Theatre, 1890–1939: Knowing One’s Place | Macpherson, Ben | Monograph or Collective Volume | Palgrave Macmillan | 2018 |
| Dalriada and the creation of the kingdom of the Scots | Anderson, M. O. | Article in Book | | 1982 |
| Dalriada; a guide around the Celtic kingdom | Marshall, J. D. C. | Monograph or Collective Volume | Glenariff Development Group | 1998 |
| Deborah Brown : a life in the round | McAvera, Brian | Article in Journal | | 2011 |
| Defending the Kingdom and preserving the constitution : Irish militia legislation 1692-1793 | Garnham, Neal | Article in Book | | 2010 |
| Defining Ireland's place in parliamentary institutions : Isaac Butt and Parnell in the 1870s | O'Day, Alan | Article in Book | | 1995 |
| Deirdre Uí Fhlannagáin | Ó Mainnín, Micheál B. | Article in Book | | 2005 |
| Dick Fitzgerald : king in a kingdom of kings | Looney, Tom | Monograph or Collective Volume | Curach | 2013 |
| Did the nature of the enemy make a difference? Chaplains in the Wars of the Three Kingdoms, 1642-1649 | Laurence, Anne | Article in Book | | 2004 |
| Differing devotions: patterns of religious practice in the British Isles, 1500-1700 | Gillespie, Raymond | Article in Book | | 1998 |
| Dignities, feudal and parliamentary, and the constitutional legislature of the United Kingdom : the nature and functions of the aula regis, the magna concilia, and the communia concilia of England, and the history of the parliaments of France, England, Scotland, and Ireland, investigated and considered with a view to ascertain the origin, progress and final establishment of legislative parliaments and of the history of a peer or lord of parliament, 1 | Betham, William, Sir, 1779-1853 | Monograph or Collective Volume | | 1830 |
| Disputed territory : the Irish presence in the marchlands of the Zulu Kingdom, 1838-1888 | Dominy, G. | Article in Book | | 1992 |
| Disrupted and disruptive : continental influence on the Confederate Catholics of Ireland | Ó hAnnracháin, Tadhg | Article in Book | | 2002 |
| Dissensions & Alligantia. Diplomacia económica y comercio entre Inglaterra y los reinos ibéricos en los siglos XIV y XV | Miranda, Flávio | Article in Book | | 2022 |
| Disunited kingdom : Irish, Scottish and Welsh writing in the post-war period | Kilfeather, Siobhán | Article in Book | | 2000 |
| Disunited Kingdoms : Peoples and Politics in the British Isles 1280-1460 | Brown, Michael | Monograph or Collective Volume | Pearson Education Limited | 2013 |
| Divided kingdom : Ireland, 1630-1800 | Connolly, Sean J. | Monograph or Collective Volume | Oxford University Press | 2008 |
| Doctor Hemphill's album | Davison, David H. | Article in Journal | | 2014 |
| Dónal Cregan : historian | Clarke, Aidan | Article in Book | | 2001 |
| Down the aisle or down the isles? : Norman Davies prophecy of the break-up of the United Kingdom | Birnie, Esmond | Article in Book | | 2001 |
| Dr. Richard Helsham 'the most eminent physician of this city and kingdom' (Dean Swift) | Mansfield, Brocard | Article in Journal | | 1984 |
| Dublin from Downing Street | Peck, John, Sir, 1913- | Monograph or Collective Volume | Gill & Macmillan | 1978 |
| Dublin in 50 Buildings | Dargan, Pat | Monograph or Collective Volume | Amberly | 2017 |
| Dutch sources for the Williamite campaign in Ireland | Troost, Wouter | Article in Journal | | 1990 |
| Dutch writings on southern Ireland in the 1790s | O'Reilly, William | Article in Journal | | 1999 |
| Early Christian Knowth and the kingdom of Brega | Eogan, George | Article in Journal | | 2010 |
| Early Irish missions in Great Britain. 1. Fruits of Irish piety among the Britons|2. Missionary labours of St Columba and his companions in Scotland|3. The successors of St Columba in Iona|4. Irish saints in the kingdom of Strathclyde|5. Some other Irish saints in Scotland|6. First missions to the Anglo-Saxons|7. St Aidan, first bishop of Lindisfarne|8. The immediate successors of St Aidan in Lindisfarne|9. St Cuthbert|10. Irish missions in the other Anglo-Saxon kingdoms | Moran, Patrick Francis, cardinal, 1830–1911 | Article in Journal | | 1879 |
| Early medieval English pottery in Viking Dublin | Vince, A. G. | Article in Book | | 1988 |
| Early medieval kingships in the British Isles | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 1989 |
| Early medieval Louth : the kingdom of Conaille Muirtheimne | Thornton, David E. | Article in Journal | | 1999 |
| Economic turbulence and labour migrants’ mobility intentions : Polish migrants in the United Kingdom, Ireland, the Netherlands and Germany 2009–2016 | Jancewicz, Barbara ; Markowski, Stefan | Article in Journal | | 2021 |
| Eleanor Hull (1860-1935) | Riggs, Pádraigín | Article in Book | | 2005 |
| Emerging from the mist : Ireland and Man in the eleventh century | Duffy, Seán | Article in Book | | 2002 |
| Emigration from the United Kingdom to America : lists of passengers arriving at U.S. ports | | Monograph or Collective Volume | Scarecrow Press | 2006 |
| Empire of style | Ruane, Frances | Article in Journal | | 2014 |
| Employment of Catholics in the public service in Ireland, 1859-1921 : a broad overview | McElvoy, Gerald | Article in Book | | 1995 |
| English and Irish sources for the history of Dutch economic activity in Ireland, 1600-89 | Loeber, Rolf | Article in Journal | | 1981 |
| English goldsmiths and their marks : a history of the goldsmiths and plateworkers of England, Scotland, and Ireland; with over eleven thousand marks reproduced in facsimile from authentic examples of plate, and tables of date-letters and other hall-marks employed in the assay offices of the United Kingdom | Jackson, C. J. | Monograph or Collective Volume | | 1905 |
| English Military Intelligence in Ireland during the Wars of the Three Kingdoms | Ó Siochrú, Micheál | Article in Book | | 2006 |
| Estate management practices on the Wentworth-Fitzwilliam core estates of Ireland and Yorkshire: a comparative study, 1815-65 | Byrne, Fidelma M. | Thesis | | 2017 |
| European commerce ... detailing the produce, manufactures and commerce of Russia, Prussia, Sweden, Denmark, and Germany ... with a general view of the trade ... and navigation of the United Kingdom of Great Britain and Ireland | Oddy, J. J. | Monograph or Collective Volume | | 1805 |
| Examining Ireland’s post-famine economic performance : the distribution of gross domestic product between the countries of the United Kingdom, 1861-1911 | Geary, FrankStark, Thomas | Monograph or Collective Volume | Economic and Social Research Institute | 1996 |
| Exploring Ireland's Middle Kingdom: A Guide to the Ancient Kingdom of Meath | Pakenham, Valerie | Monograph or Collective Volume | Somerville Press | 2021 |
| Faber and Irish literature | Ling, Ruth | Article in Book | | 2011 |
| Featured reviews [1] | Yorke, Barbara | Article in Journal | | 2021 |
| Federalism in the modern United Kingdom : England, Wales, Scotland, and Ireland 1815-1920 | Morgan, Kenneth Owen | Article in Book | | 1993 |
| Forging a kingdom : the GAA in Kerry, 1884-1934 | McElligott, Richard | Monograph or Collective Volume | Collins Press | 2013 |
| Forging a kingdom: the establishment and development of the Gaelic Athletic Association in Kerry, 1884-1924 | McElligott, Richard | Thesis | | 2012 |
| Forging a peaceable kingdom : war, violence, and fear of brutalization in post First World War Britain | Lawrence, Jon | Article in Journal | | 2003 |
| Foundations of a disunited kingdom | Gillingham, John | Article in Book | | 1995 |
| Four letters originally written in French, relating to the kingdom of Ireland | Anonymous | Monograph or Collective Volume | [s.n.] | 1739 |
| Four letters originally written in French, relating to the kingdom of Ireland, accompanied with remarks... | Anonymous | Monograph or Collective Volume | | 1739 |
| Four nations or one? | Kearney, Hugh | Article in Book | | 1991 |
| From ancient constitution to British empire : William Atwood and the imperial crown of England | Ludington, Charles C. | Article in Book | | 2000 |
| From dual monarchy to multiple kingdoms : unions and the English state, 1422-1607 | Ellis, Steven G., 1950- | Article in Book | | 2002 |
| From imperial rebels to pledged defenders of the realm | Orr, Philip | Article in Journal | | 2014 |
| From Munster to La Coruña across the Celtic Sea : emigration, assimilation and acculturation in the kingdom of Galicia (1601-1640) | O’Scea, Ciaran | Article in Journal | | 2010 |
| From Munster to La Coruña across the Celtic Sea : emigration, assimilation and acculturation in the kingdom of Galicia (1601-40) | O'Scea, Ciaran | Article in Journal | | 2010 |
| From The Hague to Kilmore | Edwards, Rita | Article in Journal | | 2008 |
| From the Kingdom to the Banner : Tadhg Ó Murchú as a folklore collector in southwest County Clare | Lysaght, Patricia | Article in Book | | 2007 |
| From United Kingdom to divided island : aspects of the Irish experience, 1850-1922 | Ó Tuathaigh, M. A. G. (Gearóid) | Article in Book | | 1988 |
| Gaelic influence in the Northumbrian Kingdom - The Golden Age and the Viking Age | Edmonds, Fiona | Monograph or Collective Volume | Boydell | 2019 |
| Gaelic Maccabeanism : the politics of reconciliation | Casway, Jerrold | Article in Book | | 2000 |
| Geographical description of the kingdom of Ireland | Bowles, Thomas | Monograph or Collective Volume | | 1720 |
| George Francis Fitzgerald | | Monograph or Collective Volume | Living Edition | 2009 |
| Gipsy girl | McKinley, Rosie | Monograph or Collective Volume | Hodder & Stoughton | 2011 |
| Good inflation, bad inflation : the housing boom, economic growth and the disaggregation of inflationary preferences in the UK and Ireland | Hay, Colin | Article in Journal | | 2009 |
| Government & institutions in the post-1832 United Kingdom | O'Day, Alan | Monograph or Collective Volume | Mellen | 1995 |
| Great Britain's Solomon : James VI and I in his three kingdoms | Lee, Maurice, jr. | Monograph or Collective Volume | | 1990 |
| Great Southern Railways: An Irish Railway Pictorial | Murray, Dónal | Monograph or Collective Volume | Ian Allan Publishing | 1999 |
| Handbook and select calendar of sources for medieval Ireland in the National Archives in the United Kingdom | | Monograph or Collective Volume | Four Courts | 2005 |
| Height and health in the United Kingdom, 1815-1860 : evidence from the East India Company Army | Mokyr, Joel,Ó Gráda, Cormac | Article in Journal | | 1996 |
| Height, health and history : nutritional status in the United Kingdom, 1750-1980 | Floud, RoderickGregory, AnnabelWachter, Kenneth W. | Monograph or Collective Volume | Cambridge University Press | 1990 |
| Heirs to the kingdom : Kerry's political dynasties | O'Shea, Owen | Monograph or Collective Volume | O'Brien | 2011 |
| Henry II and the kingdom of Uí Fáeláin | Flanagan, Marie Therese | Article in Book | | 1988 |
| Hiberniae delineatio, and geographical description of ye kingdom of Ireland | Andrews, J. H. (John Harwood)Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | Irish University Press | 1969 |
| High-kings, Vikings and other kings | Ó Corráin, Donnchadh | Article in Journal | | 1978 |
| His majesties directions for the ordering and settling of the courts, and course of justice, within his kingdom of Ireland | Anonymous | Monograph or Collective Volume | [s.n.] | 1622 |
| His majesties directions the ordering and settling the courts within his kingdom of Ireland, 1622 : presented by G.J. Hand and V.W. Treadwell | Anonymous | Article in Journal | | 1970 |
| His majesty's directions for ordering and settling the courts within his kingdom of Ireland, 1622 | Hand, Geoffrey Joseph | Article in Journal | | 1970 |
| Histoire du Royaume-Uni : les principaux courants. | Marx, Roland | Monograph or Collective Volume | | 1970 |
| Historians' guide to early British maps : a guide to the location of pre-1900 maps of the British Isles preserved in the United Kingdom and Ireland | | Monograph or Collective Volume | Royal Historical Society | 1994 |
| Historical & political ballads and songs of the Stuart era | Bennett, Chris | Monograph or Collective Volume | Trafford | 2008 |
| Historical dictionary of the United Kingdom. Vol. 2 : Scotland, Wales, and Northern Ireland | Cowlard, Keith A. (Keith Arthur), 1946-Panton, Kenneth John | Monograph or Collective Volume | Scarecrow | 1998 |
| History of the Union of the Kingdoms of Great Britain and Ireland; with an introductory survey of Hibernian affairs ... from the times of Celtic colonisation | Coote, Charles, Sir | Monograph or Collective Volume | | 1802 |
| Home Rule, democracy and the unmaking of the United Kingdom, 1885-1921 | Biagini, Eugenio | Article in Journal | | 2019 |
| How governmental restraint of Irish trade with America during our war for independence affected England's 'sister kingdom and island'. From a summary of European history published in a London periodical in the year 1779 | Anonymous | Article in Journal | | 1929 |
| How united is the United Kingdom? | Marquand, David | Article in Book | | 1995 |
| In search of a masterpiece : an art lover's guide to Great Britain and Ireland | Lloyd, Christopher | Monograph or Collective Volume | Thames & Hudson | 2011 |
| In the frame | McBride, Stephanie | Article in Journal | | 2014 |
| Incompatible revolutions? The Established Church and the revolutions of 1688-9 in Ireland, England and Scotland | Harris, Tim | Article in Book | | 2002 |
| Institutions and modes of territorial management : the challenge of British-Irish studies | Coakley, JohnLaffan, Brigid | Article in Book | | 2005 |
| Integration or diversity? Anglo-Irish economic relations, 1922-39 | Daly, Mary E. | Article in Book | | 1998 |
| Inter-parliamentary relations in the United Kingdom : devolution’s undiscovered country? | Evans, Adam | Article in Journal | | 2018 |
| Interactions with Ireland | Meehan, Bernard | Article in Book | The British Library | 2018 |
| Introduction : 'For God, king or country?' : political thought in seventeenth-century Ireland | Ohlmeyer, Jane H. | Article in Book | | 2000 |
| Introduction : 'the angel of St. Patrick's is now the guardian of the Kingdom' | Fauske, Christopher J. | Article in Book | | 2004 |
| Introduction : awkward neighbours | Macinnes, Allan I. | Article in Book | | 2002 |
| Introduction : Union and separation | Edwards, David, 1963- | Article in Book | | 2016 |
| Ireland and the federal solution : the debate over the United Kingdom constitution, 1870-1920 | Kendle, John | Monograph or Collective Volume | McGill-Queen's University Press | 1989 |
| Ireland and the Federal Solution : the Debate over the United Kingdom Constitution, 1870-1921 | Kendle, John Edward | Monograph or Collective Volume | NA | 1989 |
| Ireland and the Glorious revolution : from kingdom to colony | Kelly, Patrick | Article in Book | | 1991 |
| Ireland and the monarchy in the early Stuart multiple kingdom | Perceval-Maxwell, Michael | Article in Journal | | 1991 |
| Ireland and the United Kingdom | O'Day, Alan | Article in Book | | 2004 |
| Ireland's case briefly stated, or a summary account of the most remarkable transactions in that kingdom since the Reformation | [Reily, Hugh] | Monograph or Collective Volume | | 1695 |
| Irish Birmingham : a history | Moran, James | Monograph or Collective Volume | Liverpool University Press | 2010 |
| Irish cultural nationalism in the United Kingdom state : politics and the Gaelic League 1900-18 | Murray, Peter | Article in Journal | | 1993 |
| Irish History Matters: Politics, identities and commemoration | Walker, Brian M. | Monograph or Collective Volume | The History Press | 2019 |
| Irish land and the English Civil War 1641-8 | MacCormack, John R. | Article in Journal | | 1959 |
| Irish recusant lawyers during the reign of Charles I | Ohlmeyer, Jane H. | Article in Book | | 2001 |
| Irish students at Leuven University 1548-1797 (with index) | Nilis, Jeroen | Article in Journal | | 2006 |
| Irish students in the Netherlands 1650-1750 | Mijers, Esther | Article in Journal | | 2005 |
| Irish travelling artists : Ireland, Southern Asia and the British Empire, 1760-1850 | McDermott, Siobhan | Thesis | | |
| Irish Vikings and the kingdom of York, c.900-c.960 | McCall, Daniel T.G. | Thesis | | 1975 |
| Irish, Scottish and Welsh responses to centralisation, c.1530-c.1640 : a comparative perspective | Canny, Nicholas P. | Article in Book | | 1995 |
| Irishmen and Islesmen in the kingdoms of Dublin and Man, 1052-1171 | Duffy, Seán | Article in Journal | | 1992 |
| Is British history international history? | Russell, Conrad Sebastian Robert, 5th earl Russell, 1937-2004 | Article in Book | | 2002 |
| Is the United Kingdom a state? | Rose, Richard | Article in Book | | 1982 |
| James Joyce's disunited kingdom and the Irish dimension | Garvin, John W. | Monograph or Collective Volume | [s.n.] | 1976 |
| John Barry : an Irish catholic royalist in the 1640s | Kelly, W. P. (William P.) | Article in Book | | 2001 |
| John Bull's other kingdoms : the English government of Scotland and Ireland | Hayton, D. W. (David William)Szechi, Daniel | Article in Book | | 1987 |
| John O'Donovan's edition of The annals of the kingdom of Ireland by the Four Masters | McGuinne, Dermot | Article in Book | | 2011 |
| Journals of the House of Commons of the kingdom of Ireland from the 18th May 1613 to the 2nd August 1800. 19 vols. in 21. | Anonymous | Monograph or Collective Volume | | 1796 |
| Journals of the House of Commons of the kingdom of Ireland, Vol. 1, (1613-66) | Anonymous | Monograph or Collective Volume | [s.n.] | 1796 |
| Journals of the house of commons of the kingdom of Ireland, Vols. 2-20 | Anonymous | Monograph or Collective Volume | [s.n.] | 1800 |
| Keltologe zwischen Kaiserreich und British Empire: Kuno Meyers Briefe an Korrespondenten in Deutschland und Österreich, 1874-1919 | Meyer, Kuno | Monograph or Collective Volume | Ergon | 2016 |
| Kerry tradition : the peerless poets of the kingdom | Fenton, Seamus | Monograph or Collective Volume | Kerryman | 1950 |
| Kildare and the Kingdom of God: a new reading of Cogitosus' 'Vita Sanctae Brigitae' | Krajewski, Elizabeth M.G. | Article in Journal | | 2017 |
| King's Inns and the kingdom of Ireland : the Irish 'Inn of court', 1541-1800 | Kenny, Colum | Monograph or Collective Volume | Irish Academic Press in association with the Irish Legal History Society | 1992 |
| Kingdom and colony : Ireland in the Atlantic World, 1560-1800 | Canny, Nicholas P. | Monograph or Collective Volume | Johns Hopkins University Press | 1988 |
| Kingdom and colony : Ireland in the westward enterprise 1536-1660 | Bottigheimer, Karl S. | Article in Book | | 1978 |
| Kingdom come | Corry, Eoghan | Monograph or Collective Volume | Poolbeg | 1989 |
| Kingdom in reversion : the Irish viceroyalty of the earl of Wharton, 1708-10 | Dralle, L. A. | Article in Journal | | 1951 |
| Kingdom in the wires : the North Atlantic telegraph cables on the Iveragh Peninsula | Linehan, Denis
| Article in Book | | 2009 |
| Kingdom overthrown : Ireland and the battle for Europe, 1688-1691 | Fitzgibbon, Gerard | Monograph or Collective Volume | New Island Books | 2015 |
| Kingdom Tregosse Frost : first lecturer in archaeology at the Queen's University of Belfast | Dunlop, William | Article in Journal | | 2000 |
| Kingdom, crown and parliament : patriot myth and the origins of the Irish Union | Connolly, Sean J. | Article in Book | NA | 2009 |
| Kingdom, emporium and town : the impact of Viking Dublin | Clarke, Howard B. | Article in Journal | | 2000 |
| Kingdoms and dominions at peace and war | Frame, Robin | Article in Book | | 2003 |
| Kingdoms in crisis: Ireland in the 1640s. Essays in honour of Dónal Cregan | | Monograph or Collective Volume | Four Courts | 2001 |
| Kingdoms united? Great Britain and Ireland since 1500 : integration and diversity | | Monograph or Collective Volume | Four Courts | 1998 |
| Kings and 'the Kingdom' : Corco Duibne, Cíarraige Lúachra and Eóganacht Locha Léin | Reid, Jim | Article in Book | | 2020 |
| Kings, Kingships, and Kingdoms | Stafford, Pauline | Article in Book | | 2003 |
| Kinship | McLeod, Neil | Article in Journal | | 2000 |
| Kit's kingdom : the journalism of Kathleen Blake Coleman | Freeman, Barbara M. | Monograph or Collective Volume | Carleton University Press | 1989 |
| Krone, Hof und Adel in den Ländern der Stuart Dynastie im frühen 17. Jahrhundert | Asch, Ronald G. | Article in Journal | | 1989 |
| La elección de un bando : hugonotes y jacobitas en la Guerra de Sucesión de España | Amalric, Jean-Pierre | Article in Journal | | 2001 |
| Land, people and politics : a history of the land question in the United Kingdom, 1878-1952 | Douglas, Roy | Monograph or Collective Volume | Allison and Busby | 1976 |
| Landmarks | Downey, Sarah | Article in Journal | | 2011 |
| Landscape artist | Murray, Peter | Article in Journal | | 2014 |
| Landscapes of the mind | Coulter, Riann | Article in Journal | | 2011 |
| Language, learning and literature | Orchard, Andy | Article in Book | The British Library | 2018 |
| Late medieval Tír Eoghain : the kingdom of the great O Néill | Simms, Katharine | Article in Book | | 2000 |
| Legacies of a broken United Kingdom : British military charities, the state and the courts in Ireland, 1923-29 | Huddie, Paul | Article in Journal | | 2018 |
| Legislating for three kingdoms : how the Westminster parliament legislated for England, Scotland and Ireland 1707-1830 | Innes, Joanna | Article in Book | | 2003 |
| Letters concerning the trade and manufactures of Ireland, principally so far as the same relate to the making of iron in this kingdom | O'Brien, Lucius, Sir | Monograph or Collective Volume | | 1785 |
| Letters on the Irish nation written on a visit to that kingdom in the autumn of 1799 | Cooper, George, fl. 1800-1815 | Monograph or Collective Volume | | 1800 |
| Letting go : the Conservative Party and the end of the Union with Ireland | Turner, John | Article in Book | | 1995 |
| Leviathan and the wars of the three kingdoms | Mortimer, SarahScott, David | Article in Journal | | 2015 |
| Lewis's atlas : comprising the counties of Ireland and a general map of the kingdom | Lewis, Samuel | Monograph or Collective Volume | Kenny's Bookshop | 1995 |
| Life-lines | Marshall, Catherine | Article in Journal | | 2014 |
| Living large at Chatsworth | Murray, Peter | Article in Journal | | 2014 |
| Logistics and supply in Cromwell's conquest of Ireland | Wheeler, James Scott | Article in Book | | 1991 |
| Lost in Rinuccini's shadow : the Irish clergy, 1645-9 | Ó hAnnracháin, Tadhg | Article in Book | | 2001 |
| Lug's forgotten Donegal kingdom: the archaeology, history and folklore of the Síl Lugdach of Cloghaneely | Lacey, Brian | Monograph or Collective Volume | Four Courts Press | 2012 |
| Luigne Breg and the origins of the Uí Néill | Gleeson, Patrick | Article in Journal | | 2017 |
| Mac Dalbaig, a Leinster chieftain | Flanagan, Marie Therese | Article in Journal | | 1982 |
| Manuscript sources from Irish Cathedrals : the Cashel Cathedral Choir-Books, a preliminary report | Boydell, Barra | Article in Journal | | 2002 |
| Manuscripts in Anglo-Saxon Kingdoms | | Monograph or Collective Volume | Four Courts Press | 21 |
| Manuscripts in the Anglo-Saxon Kingdoms
Cultures and Connections | | Monograph or Collective Volume | Four Courts | 2021 |
| Manx place-names : an Ulster view | Muhr, Kay | Article in Book | | 2002 |
| Mapping Ireland : from kingdoms to counties | Connors, Sean | Monograph or Collective Volume | Mercier Press | 2001 |
| Maps and views of County Clare in the United Kingdom Hydrographic Office | Hull, Graham | Article in Journal | | 2009 |
| Master maker | Hopkin, AlannahRogers, Susan | Article in Journal | | 2014 |
| Medieval Armagh : the kingdom of Oirthir (Orior) and its rulers the Uí Annluain (O'Hanlons) | Simms, Katharine | Article in Book | | 2001 |
| Medieval Irish political and economic divisions | MacCotter, Paul | Article in Journal | | 2007 |
| Medieval Iveragh : kingdoms and dynasties | MacCotter, PaulSheehan , John | Article in Book | | 2009 |
| Medieval sub-kingdoms of Brega : the kingships of Calatrium Dessi Breg, , Mugdornae Breg and Uí Maic Uais Breg | Bhreathnach, Edel | Article in Book | | 2004 |
| Memoir of a map of Ireland, illustrating the topography of that kingdom | Beaufort, D. A., the Elder | Monograph or Collective Volume | | 1792 |
| Methodist secondary education : a history of the contribution of Methodism to secondary education in the United Kingdom | Pritchard, F. C. | Monograph or Collective Volume | | 1949 |
| Methodists and their missionary societies, 1900-1996 | Pritchard, John | Monograph or Collective Volume | Ashgate | 2014 |
| Military force and civil authority in the United Kingdom, 1914-1921 | Townshend, Charles | Article in Journal | | 1989 |
| Military operations in county Louth in the run-up to Cromwell's storming of Drogheda | O'Sullivan, Harold | Article in Journal | | 1990 |
| Mining records : mineral statistics of the United Kingdom of Great Britain and Ireland for 1853 and 1854. (Memoirs of the Geological Survey of Great Britain and of the Museum of Practical Geology) | Hunt, Robert | Monograph or Collective Volume | | 1855 |
| More reviews 1986-2023 : reviews of works by distinguished biographers, celebrities, historians, philosophers and writers | Gaughan, J. Anthony | Monograph or Collective Volume | Kingdom Books | 2023 |
| Moriarty unmasked: Conan Doyle and an Anglo-Irish quarrel | Stanford, Jane | Monograph or Collective Volume | Carrowmore Publishing | 2017 |
| Multi-Level Governance and Northern Ireland | Birrell, DerekGormley-Heenan, Cathy | Monograph or Collective Volume | Palgrave MacMillan | 2015 |
| National identities : the constitution of the United Kingdom | | Monograph or Collective Volume | Blackwell Publishers | 1991 |
| Nations and kingdoms : a view from above | Charles-Edwards, T. M. (Thomas Mowbray) | Article in Book | | 2003 |
| Nature recast | Hubbard, Sue | Article in Journal | | 2014 |
| Neither kingdom nor nation : the Irish quest for constitutional rights, 1698-1800 | York, Neil Longley | Monograph or Collective Volume | Catholic University of America Press | 1994 |
| New light on the Marquis of Antrim and the "Wars of the Three Kingdoms" | Gordon, George, b.1616 | Article in Journal | | 2009 |
| Newman's university church : a history and guide | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1997 |
| Newmen's University Church : a history and guide | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1997 |
| No complaints : a memoir of life in rural Ireland and in the Irish public service | O’Connell, Maurice, 1936-2019 | Monograph or Collective Volume | Kingdom Books | 2020 |
| No wood, no kingdom : political ecology in the English Atlantic | Pluymers, Keith | Monograph or Collective Volume | University of Pennsylvania Press | 2021 |
| Northern Ireland : allegiances and identities | Boyle, Kevin | Article in Book | | 1991 |
| Northern Ireland : the changing structure of conflict | Todd, Jennifer | Article in Book | | 2005 |
| Northern Ireland: The United Kingdom’s first example of devolution | Walker, Graham | Article in Book | | 2022 |
| 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 |
| Notes on the southern boundary of the ancient kingdom of Meath where it passed through north Kildare | O'Leary, Edward | Article in Journal | | 1899 |
| Noticia documental sobre Daniel O'Sullivan y la medicina Novohispana del siglo XVIII. Medicos y cirujanos del Reino Unido en Espana e Hispanoamerica | Riera Climent, Luis | Article in Journal | | 1998 |
| O'Kief, Coshe Mang, Slieve Lougher and Upper Blackwater in Ireland. Vol 9 : historical and genealogical items relating to north Cork and east Kerry, Annals of the Kingdom of Ireland by the Four Masters | | Monograph or Collective Volume | Public Record Office | 1966 |
| Observations in a voyage through the kingdom of Ireland ... in the year 1681. From the Journal of the Kilkenny & South East of Ireland Archaeological Society | Dineley, ThomasGraves, James | Monograph or Collective Volume | | 1870 |
| Ólafr Cúarán, Sigtryggr Silkbeard and the emergence of the Irish kingdom of Dublin | Lyons, Craig | Article in Book | | 2016 |
| Olivia Mary Taaffe, 1832-1918 : foundress of St Joseph's Young Priests Society | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1995 |
| One of the finest pieces Rembrandt ever painted:Charlemonts collecting of Netherlandish paintings | Loughman, John | Article in Book | | 2001 |
| One state, several countries : soccer and nationality in a "United" Kingdom | Moorhouse, H. F. | Article in Journal | | 1995 |
| Only in America? executive partisan interest and the politics of election administration in Ireland, the UK and the USA | James, Toby S. | Article in Journal | | 2011 |
| Ormond, the confederate peace talks and protestant royalism | Armstrong, Robert (Robert Matthew) | Article in Book | | 2001 |
| Outlines of local government of the United Kingdom | Clarke, John Joseph | Monograph or Collective Volume | Pitman | 1954 |
| Outlines of local government of the United Kingdom (and the Irish Free State). | Clarke, J. J. | Monograph or Collective Volume | | 1936 |
| Outlines of the natural history of Great Britain and Ireland, containing a systematic arrangement ... of all the animals, vegetables, and fossiles which have hitherto been discovered in these kingdoms. 3 vols. | Berkenhout, John | Monograph or Collective Volume | | 1769 |
| Overlordship and reaction, c.1200-c.1450 | Frame, Robin | Article in Book | | 1995 |
| Parliament men and the Confederate Association | McGrath, Bríd | Article in Book | | 2001 |
| Parliamentary representation, being a political and critical review of all the counties, cities, and boroughs of the kingdom of Ireland with regard to their representation. By Falkland | Scott, John, Rev. | Monograph or Collective Volume | | 1790 |
| Party conflict regulation and intra-party hierarchy in contemporary party organization | Bolleyer, Nicole | Article in Journal | | 2022 |
| Party organization and minority nationalism | McAllister, Ian | Monograph or Collective Volume | Centre for the Study of Public Policy | 1979 |
| Patrick Darcy and the constitutional relationship between Ireland and Britain | Clarke, Aidan | Article in Book | | 2000 |
| Peaceable kingdom lost : the Paxton Boys and the destruction of William Penn's holy experiment | Kenny, Kevin, 1960- | Monograph or Collective Volume | Oxford University Press | 2009 |
| Playboys of the western world : production histories | | Monograph or Collective Volume | Carysfort Press | 2004 |
| Policy differences within the United Kingdom : the case of housing policy in Northern Ireland 1979-89 | Connolly, Michael | Article in Journal | | 1991 |
| Political discourse at the court of Henry II and the making of the new kingdom of Ireland : the evidence of John's Title dominus Hibernie | | Article in Journal | | 2017 |
| Political ideas and their social contexts in seventeenth-century Ireland | Gillespie, Raymond | Article in Book | | 2000 |
| Political independence and economic performance : Ireland outside the United Kingdom | McAleese, Dermot | Article in Book | | 1977 |
| Political thought in seventeenth-century Ireland : kingdom or colony | | Monograph or Collective Volume | Cambridge University Press in association with the Folger Institute, Washington, DC | 2000 |
| Politics and war in the three Stuart kingdoms, 1637-49 | Scott, David A. | Monograph or Collective Volume | Palgrave Macmillan | 2004 |
| Protestant war : the 'British' of Ireland and the wars of the three kingdoms | Armstrong, Robert (Robert Matthew) | Monograph or Collective Volume | Manchester University Press | 2005 |
| Publics and participation in the Three Kingdoms : was there such a thing as ''British public opinion'' in the seventeenth century? | Harris, Tim | Article in Journal | | 2017 |
| Publics and participation in the Three Kingdoms : was there such a thing as “British public opinion” in the seventeenth century? | Harris, Tim | Article in Journal | | 2017 |
| Quarries : year 1895 : list of quarries (under the Quarries Act) in the United Kingdom of Great Kingdom and Ireland, and the Isle of Man | Anonymous | Monograph or Collective Volume | | 1896 |
| Rail disaster at Bray Head | Scannell, James | Article in Journal | | 2021 |
| Recasting a tradition : William Molyneux and the sources of The Case of Ireland ... Stated (1698) | Kelly, Patrick | Article in Book | | 2000 |
| Recent Dutch publications relating to Ireland | Hennig, John | Article in Journal | | 1948 |
| Recollections of a writer by accident | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2002 |
| Reconstructing the territorial framework for ecclesiastical and secular power structures : a case study of the kingdom of Uí Fáeláin | MacCotter, Paul | Article in Book | | 2016 |
| Reflections on modernism | Kennedy, S. B. | Article in Journal | | 2011 |
| Regnum Corcagiense; or a description of the kingdom of Cork. | Cox, RichardDay, Robert, 1746-1841 | Article in Journal | | 1902 |
| Renovation or revolution? : new territorial politics in Ireland and the United Kingdom | | Monograph or Collective Volume | University College Dublin Press | 2005 |
| Report of the commission appointed to inquire into the methods of oyster culture in the United Kingdom and France, with a view to the introduction of improved methods of cultivation of oysters into Ireland | Anonymous | Monograph or Collective Volume | | 1870 |
| Report of the commissioners appointed to inquire and ascertain how far the mercantile laws in the different parts of the United Kingdom of Great Britain and Ireland may be advantageously assimilated, and also whether any and what alterations and amendments should be made in the law of partnership as regards the question of the limited or unlimited responsibility of partners [Chairman : Thomas Berry Cusack Smith] | Anonymous | Monograph or Collective Volume | | 1854 |
| Report of the commissioners appointed to inquire into local charges upon shipping in the ports of the United Kingdom and Islands of Jersey, Guernsey, Alderney, Sark and Man [Chairman : J.H.T. Manners Sutton]. I. England, II. Ireland, III. Scotland etc. | Anonymous | Monograph or Collective Volume | | 1854 |
| Reports, correspondence and papers relating to emigration from the United Kingdom to the colonies, 1828-38 | Anonymous | Monograph or Collective Volume | Irish University Press | 1969 |
| Representations of king, parliament and the Irish people in Geoffrey Keating's Foras Feasa ar Éirinn and John Lynch's Cambrensis Eversus (1662) | Cunningham, Bernadette | Article in Book | | 2000 |
| Restoration politics, religion and culture : Britain and Ireland, 1660-1714 | Southcombe, GeorgeTapsell, Grant | Monograph or Collective Volume | Palgrave Macmillan | 2010 |
| Restoration. Charles II and His Kingdoms, 1660-1685 | Harris, Tim | Monograph or Collective Volume | Penguin | 2005 |
| Returning home : the return of Irish-born football migrants to Ireland’s football leagues and their cultural re-adaption, 1945–2010 | Curran, ConorKelly, Seamus | Article in Journal | | 2018 |
| Review article. Adapting early modern Ireland. S.J. Connolly: "Contested Island: Ireland, 1460-1630", OUP, 2007 [and] "Divided Kingdom: Ireland 1630-1800", OUP, 2008. | Chambers, Liam | Article in Journal | | 2009 |
| Review article. The whole people of Ireland? | McBride, Ian | Article in Journal | | 2009 |
| Review article. Two important publications on the archaeology of County Kerry | Gibbons, Michael | Article in Journal | | 2006 |
| Rewarding Informers in Cain Domnaig and the Laws of Wihtred | Eska, Charlene M. | Article in Journal | | 2006 |
| RFF : A witing life | Dunne, Tom, 1939- | Article in Book | | 2016 |
| Roscommon : an independent dioceses and a separate kingdom | Anonymous | Article in Journal | | 1992 |
| Rotha Lintorn-Orman, Ulster and the British fascists movement | Loughlin, James | Article in Journal | | 2014 |
| Roy Foster and Oxford | Barnard, T. C. (Toby Christopher) | Article in Book | | 2016 |
| Roy Foster, an Irish historian in Britain | Elliott, Marianne | Article in Book | | 2016 |
| Royal Inauguration in Gaelic Ireland C.1100-1600: A Cultural Landscape study | FitzPatrick, Elizabeth | Monograph or Collective Volume | Boydell Press | 2004 |
| Saint Máedóc and saint Molaisse | Doherty, Charles | Article in Journal | | 1986 |
| Scandinavian York and Dublin : the history and archaeology of two related Viking kingdoms. 2 vols. | Smyth, Alfred P., 1942- | Monograph or Collective Volume | Templekieran | 1975 |
| Science preserved : directory of scientific instruments in collections in the United Kingdom and Eire | Anonymous | Monograph or Collective Volume | | 1992 |
| Science, print, and crossing borders: Importing French science books into Britain, 1789–1815 | Topham, Jonathan R. | Article in Book | | 2011 |
| Scots Catholics in Ulster, 1603-41 | Mac Cuarta, Brian | Article in Book | | 2016 |
| Scottish officials and secular government in early Stuart Ireland | Edwards, David, 1963- | Article in Book | | 2016 |
| Scottish Protestant clergy and the origins of dissent in Ireland | Ford, Alan | Article in Book | | 2016 |
| Scottish settlement and society in Plantation Ulster, 1610-40 | Roulston, William | Article in Book | | 2016 |
| Scottish women's organisations and the exercise of citizenship c.1900-1970 | Breitenbach, Esther | Article in Book | | 2010 |
| Scottish, Irish, and imperial connections : Parliament, the three kingdoms, and the mechanization of cotton spinning in eighteenth-century Britain | Griffiths, TrevorHunt, PhilipO'Brien, Patrick Karl, 1932- | Article in Journal | | 2008 |
| Scottish-Protestant Ulster and the crisis of the three kingdoms, 1637-1652 | Forkan, Kevin | Thesis | | 2003 |
| Scouting in Ireland | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2006 |
| Second city syndrome : reflections on three Irish cases | Dickson, David | Article in Book | | 1998 |
| Secret alliance and Protestant agitation in two kingdoms : the early Caroline background to the Irish rebellion of 1641 | Reeve, John | Article in Book | | 1998 |
| Select documents XXII. Gladstone, Queen Victoria, and the disestablishment of the Irish Church, 1868-9 | NA | Article in Journal | | 1962 |
| Settlement and community in the Fir Tulagh kingdom : archaeological excavations on the M6 and N52 road schemes | Channing, JohnStevens, Paul | Monograph or Collective Volume | National Roads Authority|Westmeath County Council | 2012 |
| Settlement dynamics in Co Meath : the kingdom of Loegaire | Clinton, Mark | Article in Journal | | 2000 |
| Settlement patterns in the early historic kingdom of Leinster (seventh-mid twelfth centuries) | Clinton, Mark | Article in Book | | 2000 |
| Seventeenth-century constructions of the historical kingdom of Ireland | Cunningham, Bernadette | Article in Book | | 2010 |
| Shane O'Neill leaves the court of Queen Elizabeth : Irish, English, Scottish perspectives on the paralysis of policy, July 1559 to April 1562 | Brady, Ciarán | Article in Book | | 1998 |
| Shipbuilding in Ireland in the nineteenth century | Moss, Michael S. | Article in Book | | 1993 |
| Sir Robert Southwell and the duke of Ormond's reflections on the 1640s | Perceval-Maxwell, Michael | Article in Book | | 2001 |
| Small states, large neighbours : Ireland and the United Kingdom | Fanning, Ronan | Article in Journal | | 1998 |
| Snake-bosses and redemption at Iona and in Pictland | MacLean, Douglas | Article in Book | | 1993 |
| Social security law in the E.E.C.: a study of the Treaty of Rome with particular reference to unemployment benefit, sickness benefit and old age pensions in Belgium, Ireland and the United Kingdom | Watson, Philippa Mary Louise | Thesis | | |
| Some Irish borders | Bourke, Cormac | Article in Journal | | 2018 |
| Special privileges for the Irish in the kingdom of Castile (1601-1680) : modern myth or contemporary reality? | O'Scea, Ciaran | Article in Book | | 2010 |
| Special privileges for the Irish in the Kingdom of Castile (1601-1680) : modern myth or contemporary reality? | O'Scea, Ciaran | Article in Book | | 2010 |
| St Peter Canisius and Ireland | Hennig, J. | Article in Journal | | 1946 |
| St. Ruth's Fatal Gamble: The Battle of Aughrim 1691 and the Fall Of Jacobite Ireland | McNally, Michael | Monograph or Collective Volume | Helion and Company | 2018 |
| State of the union : unionism and the alternatives in the United Kingdom since 1707 | McLean, IainMcMillan, Alistair | Monograph or Collective Volume | Oxford University Press | 2005 |
| Strafford in Ireland, 1633-41 : a study in absolutism | Kearney, H. F. | Monograph or Collective Volume | | 1959 |
| Strange familiar and old | Rattenbury, Kester | Article in Journal | | 2014 |
| Swordsmen : the martial ethos in the three kingdoms | Manning, Roger Burrow | Monograph or Collective Volume | Oxford University Press | 2003 |
| Teachers of history in the universities of the United Kingdom, Dec. 1951 | Institute for Historical Research | Monograph or Collective Volume | | 1952 |
| Terrestrial paradise | Smyth, Terrence | Article in Journal | | 2010 |
| Terrorism in Britain : threat, reality, response | Sacopulos, Peter J. | Article in Journal | | 1989 |
| Thadeus Moriarty, O.P., 1603-1653 | Valkenburg, Augustine | Article in Journal | | 1982 |
| The 97th Earl of Ulster's regiment, 1824-1881 | Chaplin, H.D. | Monograph or Collective Volume | The Queen's Own Royal West Ken Regiment Musuem Committee | 1973 |
| The agreement on the delimitation of the continental shelf between Ireland and the United Kingdom | Lysaght, Charles | Article in Journal | | 1990 |
| The alliance between church and state in early medieval Alba | Veitch, Kenneth | Article in Journal | | 1998 |
| The archaeology of ecclesiastical estates in early medieval Ireland: a case study of the kingdom of Fir Maige | Ó Carragáin, Tomás | Article in Journal | | 2014 |
| The archbishops, bishops and priests who served in the Archdiocese of Dublin : 1900 to 2011 | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2012 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the eighteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the nineteenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2013 |
| The archbishops, bishops and priests who served in the archdiocese of Dublin in the seventeenth century | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 2010 |
| The architecture of empire : Elizabethan country houses in Ireland | Klingelhöfer, Eric | Article in Book | | 2003 |
| The Atlantic archipelago and the war of the three kingdoms | Pocock, John Greville Agard, 1924- | Article in Book | | 1996 |
| The background of Brunanburh | Dodgson, John McNeal | Article in Book | | 2000 |
| The background to the civil wars in the Stuart kingdoms | Kenyon, John PhilippsOhlmeyer, Jane H. | Article in Book | | 1998 |
| The bibliography of the Reform 1450-1648, relating to the United Kingdom and Ireland for the years 1955-70 | | Monograph or Collective Volume | Blackwell Publishers | 1975 |
| The Book of Public Arms. A cyclopaedia of the armorial bearings, heraldic devices, and seals ... of counties, cities ... of the United Kingdom ... | | Monograph or Collective Volume | | 1894 |
| The Break-Up of the United Kingdom : The Irish Experience of Regime Change, 1918-1949 | Mair, Peter | Monograph or Collective Volume | University of Strathclyde | 1978 |
| The British and the Irish in the context of Europe | FitzGerald, Garret | Article in Book | | 1991 |
| The British-Irish relationship : from antagonism to alliance | Fanning, Ronan | Article in Book | | 2005 |
| The castles of the kingdom (of Kerry) | Carroll, Michael J. | Monograph or Collective Volume | Bantry Studio Publications | 2004 |
| The Celtic kingdoms | Davies, Wendy, 1942- | Article in Book | | 2005 |
| The century of the three kingdoms | Stevenson, David, Ph. D. | Article in Book | | 1991 |
| The changing geography of the United Kingdom | | Monograph or Collective Volume | | 1982 |
| The Churches and Peoples of the Three Kingdoms, 1603-1641 | McCafferty, John | Article in Book | | 2008 |
| The complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, extant, extinct and dormant, vol. 1 : Ab-Adam to Basing; vol. 2 : Bass to Canning; vol. 3 : Canonteign to Cutts; vol. 4 : Dacre to Dysart; vol. 5 : Eardley to Spalding to Goojerat; vol. 6 : Gordon to Hurstpierpoint; vol. 7 : Husee to Lincolnshire; vol. 8 : Lindley to Moate; vol. 9 : Moels to Nuneham; vol. 10 : Oakham to Richmond; vol. 11 : Rickerton to Sisonby; vol. 12 pt. 1 : Skelmersdale to Towton; [vol. 12] pt. 2 : Tracton to Zouche; vol. 13 : Peers created 1901 to 1938. 13 vols. in 14 | Cokayne, George Edward, 1825-1911Doubleday, H. A.Gibbs, VicaryScott-Ellis, Thomas Evelyn, 8th Baron Howard de WaldenWarrand, DuncanWhite, Geoffrey Henllan, 1873- | Monograph or Collective Volume | | 1910 |
| The complete peerage, or a history of the house of lords and all its members from the earliest times | Cokayne, George E. (George Edward), 1825-1911. | Monograph or Collective Volume | St Catherine Press | 1949 |
| The constitution of the United Kingdom of Great Britain and Ireland, civil and ecclesiastical | Plowden, Francis, 1749-1829 | Monograph or Collective Volume | | 1802 |
| The County families of the United Kingdom of Great Britain and Ireland; or, a royal manual of the titled and untitled aristocracy ... 60 vols. | | Monograph or Collective Volume | | 1860 |
| The covent garden ladies : pimp General Jack and the extraordinary story of Harris' List | Rubenhold, Hallie | Monograph or Collective Volume | History Press | 2005 |
| The CPGB, the Connolly Association and Irish communism, 1945–1962 | Smylie, Patrick | Article in Journal | | 2017 |
| The creation of Britain : multiple kingdoms or core and colonies? | Wormald, Jenny | Article in Journal | | 1992 |
| The criminal law, 1692-1760 : England and Ireland compared | Garnham, Neal | Article in Book | | 1998 |
| The decline and fate of Dónal Ballagh O'Cahan and his family | Casway, Jerrold | Article in Book | | 2001 |
| The decline of the Irish kingdom | Brady, Ciarán | Article in Book | | 1991 |
| The diary of Elizabeth Richards (1798-1825) : from the Wexford Rebellion in Ireland to family life in the Netherlands | | Monograph or Collective Volume | Verloren | 1999 |
| The disunited kingdom : the territorial dimension of British politics | Levy, Roger | Article in Book | | 1997 |
| The Drogheda Drapery Assistants 1887 Hours and Holidays Campaign | Gallagher, Frank | Article in Journal | | 2013 |
| The Dutch at Limerick | Tesch, Pieter | Article in Journal | | 1990 |
| The Dutch version | Gerritsen, W. P.King, Peter K. | Article in Book | University of Exeter Press | 2002 |
| The early history and sub-divisions of the Kingdom of Bréifne | MacCotter, Paul | Article in Book | | 2014 |
| The early history of Corca Laidhe | O'Driscoll, Francis, Rev. | Thesis | | 1942-1943 |
| The economics of psychiatric services in the UK and Ireland, 1845-1985 | Raftery, James Patrick | Thesis | | |
| The emergence of the Kingdom of England | Keynes, Simon | Article in Book | The British Library | 2018 |
| The English and the British | Crick, B. | Article in Book | | 1991 |
| The English parliament and the Irish constitution, 1641-9 | Little, Patrick, 1969- | Article in Book | | 2001 |
| The English Revolution and the wars in the three kingdoms, 1638-1652 | Gentles, Ian | Monograph or Collective Volume | Longman | 2007 |
| The Eoghanacht state of Uí Fidgeinte | Barrett, Patrick, Rev. | Thesis | | 1942-1943 |
| The European context : a new political dimension in Ireland, North and South | Laffan, Brigid | Article in Book | | 2005 |
| The ever-complicated relationship between Ireland and the UK - what can we expect next? | Bowe, Aileen | Article in Journal | | 2021 |
| The feminization of the Canadian frontier. Engendering the "peacable kingdom" myth in the writings of Anne Sadlier (1820-1913) & Isabella Valancy Crawford (1850-1887) | King, Jason | Article in Journal | | 2006 |
| The formation of cultural attitudes : the example of the three kingdoms in the 1650s | Barber, Sarah | Article in Book | | 2002 |
| The four nations : a history of the United Kingdom | Welsh, Frank | Monograph or Collective Volume | HarperCollins | 2002 |
| The fragility of unions : the United Kingdom and Moldova | Walsh, Dawn | Article in Journal | | 2020 |
| The Freeman-Edmonds directory of British organ builders : including organ builders from overseas, and all who have worked in organ building in the United Kingdom and the Republic of Ireland, from the earliest times to the year 1950 | Edmonds, BernardFreeman, Andrew | Monograph or Collective Volume | Positif Press | 2002 |
| The government of Ireland under Sir John Perrot, 1584-8. Being the first booke of the continuatioin of the historie of that kingdome ... continued to 1626 | Cecil, Edward, Sir, viscount Wimbledon | Monograph or Collective Volume | | 1626 |
| The hagiography of Leinster | Ó Briain, Felim | Article in Book | NA | 1940 |
| The history of the kingdom of Ulaid | Byrne, Francis J. | Thesis | | 1959 |
| The identification of 'Leac Mhic Eochaidh' in north Wexford as a possible site for the inauguration of the lord of the ancient kingdom of 'Uí Chinnsealaigh' and some evidence for its use as an assembly site in 1592 | Ó Crualaoich, Conchubhar | Article in Journal | | 2018 |
| The Irish Boats : Volume 1 Liverpool to Dublin | McRonald, Malcolm | Monograph or Collective Volume | Tempus | 2005 |
| The Irish Franciscan mission ot the Highlands and Islands | Harris, Jason | Article in Book | | 2016 |
| The Irish identity of the kingdom of the Scots in the twelfth and thirteenth centuries | Broun, Dauvit | Monograph or Collective Volume | Boydell | 1999 |
| The Irish rebellion : or the history of the beginning and first progress of the general rebellion raised within the kingdom of Ireland, upon the three and twentieth day of October, 1641 | Temple, John | Monograph or Collective Volume | | 1646 |
| The Irish rebellion of 1641 and the wars of the three kingdoms | Darcy, Eamon | Monograph or Collective Volume | Boydell | 2013 |
| The Keys of the Kingdom: The Kerry Sentinal, its commercial and political rivals | Fitzgerald, Patrick | Article in Journal | | 2015 |
| The kingdom and county of Meath | Brady, John, d.1963 | Article in Journal | | 1956 |
| The Kingdom in the empire : a portrait of Kerry during World War One | Martin, Thomas | Monograph or Collective Volume | Nonsuch | 2006 |
| The kingdom of Airghialla and its sub-kingdoms before 1100 | Fee, Thomas, Rev. | Thesis | | 1950 |
| The kingdom of Brega in the seventh century | Cronin, Anthony | Article in Journal | | 2017 |
| The kingdom of Breifne | Duignan, M. V. (Michael V.) | Article in Journal | | 1935 |
| The kingdom of coal : work, enterprise and ethnic communities in the mine fields | Miller, Donald L., 1944-Sharpless, R. | Monograph or Collective Volume | University P. | 1985 |
| The kingdom of Glan | Irish Countrywomens Association, Glangevlin Guild | Monograph or Collective Volume | Irish Countrywomens Association, Glangevlin Guild | 1983 |
| The kingdom of Ireland, 1641-1760 | Barnard, T. C. (Toby Christopher) | Monograph or Collective Volume | Palgrave Macmillan | 2004 |
| The kingdom of Mag nDumai in Uí Bresail Macha | Ó Mainnin, Mícheál | Article in Journal | | 2018 |
| The kingdom of Man and the earldom of Orkney - some comparisons | Crawford, Barbara E. | Article in Book | | 2014 |
| The kingdom of Northumbria and the destruction of the Votadini | Kirby, D. P. | Article in Journal | | 1974 |
| The kingdom of the air : the progress of meteorology | McWilliams, Brendan | Article in Book | | 1997 |
| The Kingdom of the Ryans : the Irish in south-west New South Wales, 1816-1890 | Campbell, Malcolm | Monograph or Collective Volume | University of New South Wales Press | 1997 |
| The Knights of Glin : a Geraldine family | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1978 |
| The law of landlords and tenants in Ireland : collected from the books of reports, common law and practice, and from the acts of parliament of force in this kingdom | Dutton, Matthew | Monograph or Collective Volume | | 1726 |
| The life of St. Fursey : what we know; why it matters | Brown, Michelle P. | Monograph or Collective Volume | Fursey Pilgrims | 2001 |
| The life of Thomas Hussey, 1746-1803, Bishop of Waterford and Lismore | Murphy, Liam | Monograph or Collective Volume | Kingdom Books | 2016 |
| The Lords of the Isles and Clan Donald and the early kingdom of the Scots | Williams, Ronald | Monograph or Collective Volume | | 1984 |
| The making of the United Kingdom, 1660-1800 : state, religion and identity in Britain and Ireland | Smyth, Jim | Monograph or Collective Volume | Longman | 2001 |
| The manifesto of Field Marshal Hugh O'Donnell in justification of his departure from the kingdom without leave from Charles II, King of Spain, c. 1690 | Hazard, Benjamin | Article in Journal | | 2008 |
| The marginal kingdom : Ireland as a problem in the first British empire | Canny, Nicholas P. | Article in Book | | 1991 |
| The medieval kingdom of Brega | Bhreathnach, Edel | Article in Book | | 2005 |
| The medieval kingdom of Lough Erne | Simms, Katharine | Article in Journal | | 1977 |
| The medieval kingdom of Mugdorna | Ó Mórdha, P. | Article in Journal | | 1971 |
| The Multiple Kingdoms of Britain and Ireland : The "British Problem" | Macinnes, Allan I. | Article in Book | | 2003 |
| The Nolans football royalty across Clara, Offaly, Leinster, New York | Browne, Billy | Monograph or Collective Volume | | 2021 |
| The Norse kingdoms in Northumbria | Campbell, A. | Article in Journal | | 1942 |
| The North-South relationship : implementing the agreement | Coakley, John | Article in Book | | 2005 |
| The Northern Ireland parliament and assembly at Stormont | Walker, Graham | Article in Book | | 2009 |
| The O'Reillys and the kingdom of East Breifne | Simms, Katharine | Article in Journal | | 1979 |
| The office and authority of a justice of the peace for Ireland, collected from the books of common law written on that subject as also from all the acts of parliament relating to that office, as well as those in force by Sir Edward Poynings' law as those made in this kingdom to the end of the second session of the late parliament | Dutton, Matthew | Monograph or Collective Volume | | 1721 |
| The origin and development of the ports of the United Kingdom. 2nd impression, rev. | Owen, D. J., Sir | Monograph or Collective Volume | | 1949 |
| The origins of Irish dissent | Ford, Alan, 1956- | Article in Book | | 1996 |
| The origins of town life in Ireland : spatial integration and urbanization in the Kingdom of Déisi, 700-1100 | Wall, Rebecca | Thesis | | 2010 |
| The Outbreak of the Civil Wars in the Three Kingdoms | Peacey, Jason | Article in Book | | 2003 |
| The parliament of Ireland to 1800 | McGrath, Charles Ivar | Article in Book | | 2009 |
| The passing of the old order | Binchy, D. A. (Daniel Anthony), 1900-1989 | Article in Book | | 1962 |
| The path towards the commonwealth of the two nations | Opalinski, Edward | Article in Book | | 2002 |
| The pearl of the kingdom : a study of 'A fhir léghtha an leabhráin bhig' by Giolla Brighde Ó hEódhasa | Ó Corráin, Ailbhe | Monograph or Collective Volume | Novus Press. Institute for Comparative Research in Human Culture | 2013 |
| The Peerage of Ireland; or, a genealogical history of the present nobility of that kingdom, with their coats of arms. 7 vols. | Lodge, John | Monograph or Collective Volume | | 1789 |
| The peerage of Ireland; or, A genealogical history of the present nobility of that kingdom. Rev., enlarged, and continued to the present time by Mervyn Archdall. 7 vols. | Lodge, John | Monograph or Collective Volume | | 1789 |
| The permeability of the United Kingdom-Irish border | Whyte, John | Article in Journal | | 1983 |
| The Pictish kingdom of Conaille-Muirthemhne | Murray, L. P. | Article in Book | | 1995 |
| The Poems of Blathmac and the kingdom of Fir Rois : Building on the work of Canon Diarmuid Mac Íomhair (1905-83) | Lambkin, Brian | Article in Journal | | 2016 |
| The political anatomy of Ireland : with the establishment for that kingdom, and Verbum sapienti | O'Donovan, J.Petty, William, Sir, 1623-1687 | Monograph or Collective Volume | Irish University Press | 1970 |
| The political economy of Britain and Ireland after the Glorious Revolution | Armitage, David, 1965- | Article in Book | | 2000 |
| The pope’s man in London: Anglo-Vatican relations, the nuncio question and Irish concerns, 1938-82 | Ó Corráin, Daithí | Article in Journal | | 2020 |
| The practice of accountability in questioning prime ministers : comparative evidence from Australia, Canada, Ireland, and the United Kingdom | Serban,Ruxandra | Article in Journal | | 2023 |
| The present state of the stage in Great-Britain and Ireland. And the theatrical characters of the principal performers, in both kingdoms, impartially considered | Anonymous | Monograph or Collective Volume | | 1753 |
| The Provisional IRA, the Irish border, and Anglo-Irish relations during the troubles | Patterson, Henry | Article in Journal | | 2013 |
| The reception of Joseph Beuys within the United Kingdom, Ireland and the United States, 1970-1979 | Galliver, Tara S. | Thesis | | 2005 |
| The regulation of the emigrant traffic from the United Kingdom, 1842-55 | MacDonagh, Oliver | Article in Journal | | 1954 |
| The Relief of Mafeking. Intense enthusiasm throughout the kingdom, a great wave of patriotism | NA | Article in Journal | | 2019 |
| The Religious Tract Society | Fyfe, Aileen | Article in Book | | 2011 |
| The representative history of Great Britain and Ireland; being a history of the House of Commons and of the counties, cities, and boroughs of the United Kingdom. 6 vols. | Oldfield, T. H. B. | Monograph or Collective Volume | | 1816 |
| The representative history of Great Britain and Ireland; being a history of the House of Commons, and of the counties, cities, and boroughs of the United Kingdom. 6 vols. | Oldfield, T. H. B. | Monograph or Collective Volume | | 1816 |
| The restoration of the kingdom of Ireland, 1649-62 | Cronin, John Jeremiah | Thesis | | 1999 |
| The roles of royal and aristocratic women in British politics, c. 1782-1832 | Jupp, P.J. | Article in Book | | 1995 |
| The S.S. Great Britain of 'Tyrella and the Falklands' fame | Connolly, Al | Article in Journal | | 1992 |
| The Scandinavian kingdom of Dublin. Introduction by Breandán Ó Ríordán. | Haliday, Charles | Monograph or Collective Volume | Irish University Press | 1969 |
| The Scots in early Stuart Ireland : Union and separation in two kingdoms | | Monograph or Collective Volume | Manchester UP | 2016 |
| The Scots of Ireland and the English Republic, 1649-60 | Duignan, Aoife | Article in Book | | 2016 |
| The Scottish and Irish unions : the Victorian view in perspective | Weir, Ron | Article in Book | Four Courts Press | 1998 |
| The Scottish response to the 1641 rebellionin Connacht : the case of Sir Frederick Hamilton | Duignan, Aoife | Article in Book | | 2016 |
| The settlement of the kingdom of Limerick | Empey, C. A. (Adrian) | Article in Book | | 1981 |
| The social thought of Richard Bellings | Gillespie, Raymond | Article in Book | | 2001 |
| The Society of Jesus in the three kingdoms | McCoog, Thomas M. | Article in Book | | 2008 |
| The Society of United Irishmen in the Batavian Republic | Homan, G. D. | Article in Journal | | 1979 |
| The solemn League and Covenant of the three kingdoms of England, Scotland and Ireland | Guthrie, Charles John, Lord Guthrie | Article in Journal | | 1918 |
| The Stuarts and deliverance in Irish and Scots-Gaelic poetry, 1690-1760 | Ó Ciardha, Éamonn | Article in Book | | 1998 |
| The Templemore Miracles: Jimmy Walsh, Ceasefires and Moving Statues | Reynolds, John | Monograph or Collective Volume | The History Press | 2019 |
| The territorial dimension in United Kingdom politics | | Monograph or Collective Volume | Macmillan | 1982 |
| The third kingdom in its history : an afterword | Pocock, John Greville Agard, 1924- | Article in Book | | 2000 |
| The tradition of Art mac Cuind's burial at Treóit (Trevet, Co. Meath) | Imhoff, Helen | Article in Journal | | 2013 |
| The traditional games of England, Scotland and Ireland : with tunes, singing in rhymes and methods of playing, according to the variants extant and recorded in different parts of the kingdom. 2 vols. | Gomme, A. B., Lady Gomme | Monograph or Collective Volume | | 1894 |
| The Ui Derco Cein | Dobbs, M. E. (Margaret E.), 1871-1962 | Article in Journal | | 1939 |
| The United Kingdom : the development of its laws and constitutions. [Pt. 1], England and Wales, Northern Ireland, the Isle of Man. [Pt. 2], Scotland, by T.B. Smith, [and] The Channel Islands, by L.A. Sheridan | | Monograph or Collective Volume | | 1955 |
| The United Kingdom and its Irish contenders (1800-1922) | Wusten, H. van der | Article in Journal | | 1980 |
| The United Kingdom's security policy and I.R.A. terrorism in Ulster | Finnegan, Richard B. | Article in Journal | | 1988 |
| The United Kingdom, Republic of Ireland, United States and the conflict in Northern Ireland, August 1971 - September 1974 | MacLeod, Alan | Thesis | | |
| The Vanished Kingdoms of Patrick O'Farrell : Religion, Memory and Migration in Religious History: | Carey, Hilary M. | Article in Journal | | 2007 |
| The Vikings and Kerry's early medieval kingdoms | Sheehan, John | Article in Book | | 2020 |
| The Vikings and the kingdom of Laois | Kelly, Eamonn P.Maas, John | Article in Book | | 1999 |
| The vision of St. Fursey and the development of purgatory | Dunn, Marilyn | Monograph or Collective Volume | Fursey Pilgrims | 2007 |
| The war(s) of the three kingdoms | Morrill, John Stephen, 1946- | Article in Book | | 1999 |
| The wars of the three kingdoms | Ohlmeyer, Jane H. | Article in Journal | | 1998 |
| The Wars of the Three Kingdoms, 1642-1649 | Scott, David A. | Article in Book | | 2003 |
| The whisky distilleries of the United Kingdom | Barnard, AlfredGlen, I. A. | Monograph or Collective Volume | David & Charles | 1969 |
| Thine is the kingdom : the trial for treason of Thomas Wentworth, earl of Strafford, first minister to King Charles I, and last hope of the English Crown | Timmis, J. H. | Monograph or Collective Volume | | 1974 |
| Thomas Denton’s perambulation : two counties, three kingdoms, and four nations history? | McArthur, Euan David | Article in Journal | | 2021 |
| Thomas Johnson, 1872-1963 : first leader of the Labour Party in Dáil Éireann | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1980 |
| Three kingdoms and one commonwealth? The enigma of mid-seventeenth-century Britain and Ireland | Morrill, John Stephen, 1946- | Article in Book | | 1995 |
| Three Stuart kingdoms, 1603-1689 | Morrill, John Stephen, 1946- | Article in Book | | 1996 |
| To what extent were economic factors important in the separation of the south of Ireland from the United Kingdom and what was the economic impact? | Hynes, William | Article in Journal | | 2014 |
| Tracing first world war ancestors | Fitzsimons, Fiona | Article in Journal | | 2014 |
| Trade Unions. United Kingdom and Irish Free State | Cole, George Douglas Howard, 1889-1959 | Article in Book | | 1935 |
| Transitional Justice, Non-Recent Child Abuse and Archival Research: Lessons from the Case of the UK Child Migration Programmes | Lynch, Gordon | Article in Book | | 2022 |
| Túath, Manor and Parish: Kingdom of Fir Maige, Cantred of fermoy | MacCotter, Paul | Article in Journal | | 2012 |
| Two kingdoms or three? : Ireland in Anglo-Scottish relations in the middle of the sixteenth century | Dawson, Jane E. A. | Article in Book | | 1987 |
| Two Unions : Ireland, Scotland, and the survival of the United Kingdom, 1707-2007 | Jackson, Alvin | Monograph or Collective Volume | Oxford UP | 2012 |
| Uí Fidgente, a kingdom of the Eoghanachta | Bairead, F. | Article in Journal | | 1943 |
| UK shocks and Irish business cycles, 1922–79 | Stuart, Rebecca | Article in Journal | | 2019 |
| Ulster 1641 in the context of political developments in the three kingdoms | Perceval-Maxwell, Michael | Article in Book | | 1993 |
| Ulster unionism and loyalty to the crown of the United Kingdom, 1912-74 | Hennessey, Thomas | Article in Book | | 1996 |
| Ulster will fight. Volume 1: Home Rule and the Ulster Volunteer Force 1886-1922 | Orr, David R.Truesdale, David | Monograph or Collective Volume | Helion & Company | 2016 |
| Unapproved routes : histories of the Irish border, 1922-1972 | Leary, Peter | Monograph or Collective Volume | Oxford UP | 2016 |
| Unionism in the United Kingdom, 1918-1974 | Ward, Paul | Monograph or Collective Volume | Palgrave Macmillan | 2005 |
| United Kingdom : the United Kingdom response to terrorism | Bonner, David | Article in Journal | | 1992 |
| United Kingdom devolution 1910-14 : political panacea or tactical diversion? | Jalland, Patricia | Article in Journal | | 1979 |
| United kingdoms : multinational union states in Europe and beyond, 1800-1925 | Jackson, Alvin | Monograph or Collective Volume | Oxford University Press | 2023 |
| Unnatural death in four nations : contrasts and comparisons | Connolly, Sean J. | Article in Book | | 1998 |
| Vanished Kingdoms : Irish in Australia and New Zealand. A Personal Excursion | O'Farrell, Patrick James | Monograph or Collective Volume | New South Wales University Press | 1990 |
| Vanishing kingdoms : the Irish chiefs and their families | Curley, Walter J. P. | Monograph or Collective Volume | Lilliput Press | 2004 |
| Varieties of Britishness : Ireland, Scotland and Wales in the Hanoverian state | Connolly, Sean J. | Article in Book | | 1995 |
| Von den Sankt Gallus-Patrozinien | Staerkle, Paul | Article in Book | | 1952 |
| Wars among Savages : Homicide and Ethnicity in the Victorian United Kingdom | Conley, Carolyn A. | Article in Journal | | 2005 |
| Was your grandfather a railwayman? | Richards, Tom | Monograph or Collective Volume | Federation of Family History Societies | 2002 |
| Waterford merchants and their families on distant shores : traders in Spain and France from 1600 to 1800 | Murphy, Liam | Monograph or Collective Volume | Kingdom Books | 2018 |
| What Gladstone could teach the EU | Kingston, William | Article in Journal | | 2013 |
| What really happened at Dind Rig? The making of a myth | Fennelly, S.J. | Article in Journal | | 2024 |
| What ‘special relationship'? How the state department's intervention in Northern Ireland 2003–2007 strained the Anglo-American alliance | Hargy, Richard | Article in Journal | | 2023 |
| When reformations collide | McCafferty, John | Article in Book | | 2002 |
| When Saxon strangers first came to Ireland: the Raid on Brega, AD 684 | Cronin, Anthony | Article in Journal | | 2011 |
| Where Sarsfield died | Fewer, T. N. | Article in Journal | | 1986 |
| William Butler : Irish convert and builder of the kingdom | Foster, Craig L. | Article in Journal | | 2007 |
| William III and the Three Kingdoms | Speck, William Arthur | Article in Book | | 2007 |
| William Lawless and the defence of Flushing, 1809 | Gallaher, John | Article in Journal | | 1989 |
| William Orpen's war | McConkey, Kenneth | Article in Journal | | 2014 |
| Writing about violence in the Tudor kingdoms | Rapple, Rory | Article in Journal | | 2012 |
| [First] annual general report upon the mineral industry of the United Kingdom of Great Britain and Ireland for the year 1894 | Foster, C. le N., Sir | Monograph or Collective Volume | | 1896 |
| ‘Ireland’s second capital’? Irish footballers’ migration to Liverpool, the growth ofsSupport and the organisation of Liverpool and Everton football clubs’ matches in Dublin : an historical assessment | Curran, Conor | Article in Journal | | 2018 |
| ‘Not to be had elsewhere in this kingdom’: buying and selling exotic plants in Ireland, 1740–1820 | Fleming, David | Article in Book | | 2023 |
| ‘What’s the story?’ : rock biography, musical ‘routes’ and the second-generation Irish in England | Campbell, sean | Article in Journal | | 2004 |
| “Till debt do us part” : financial implications of the divorce of the Irish Free State from the United Kingdom, 1922–1926 | Fitzgerald, John ; Kenny, Seán | Article in Journal | | 2019 |