| "Dutiful old Knight" and formidable foe : Tarlach Luineach Ó Neill, the man from Munterloney | Ó Conluain, Proincias | Article in Journal | | 2000 |
| "Dutiful old knight" and formidable foe : Tarlach Luineach Ó Néill, the man from Munterloney | Ó Conluain, Proinsias | Monograph or Collective Volume | O'Neill Country Historical Society | 2004 |
| "His loss has crushed me" : collateral damage and the emotions of vengeance in Ulster cycle death tales | Knight, Jennifer | Article in Journal | | 2023 |
| 'Doing academia' : in Queen's University Belfast : gendered experiences, perceptions and strategies | Hill, MyrtleMcKnight, Martina, | Article in Book | Peter Lang | 2010 |
| 'Powerful adversaries' : the Knights Templar, landholding and litigation in the lordship of Ireland | Coleman, Edward | Article in Book | | 2015 |
| 'Silence' by Lizzie Sullivan | Doyle, Edwin | Article in Journal | | 2019 |
| 'Spacious and splendid': music, dancing and social life at Glin Castle, 1781-1854 | Mullaney-Dignam, Karol | Article in Journal | | 2011 |
| 50 treasures from the Hunt collection | Doran, P. F.Knight of Glin, 1937- | Monograph or Collective Volume | Hunt Museum Executive | 1993 |
| A 'sovereign' row in Naas | Knight of Glin, 1937- | Article in Journal | | 1971 |
| A critical edition of Sir James Perrot's The life, deedes and death of Sir John Perrott, knight | Perrott, JamesTurvey, Roger | Monograph or Collective Volume | Edwin Mellen Press | 2002 |
| A directory of the Dublin furnishing trade, 1752-1800 | Knight of Glin, 1937- | Article in Book | | 1992 |
| A Hospitaller tombstone at Mourne Abbey | Crotty, Gerard | Article in Journal | | 2004 |
| A Knight on the Tile | Corlett, Christiaan | Article in Journal | | 2018 |
| A legacy in stone and rhyme : the Costello family and the Knights of Glin | Donovan, Tom | Article in Book | | 2009 |
| A long way from Jerusalem : the Templars and Hospitallers in Ireland, c. 1172-1348 | Nicholson, Helen J., 1960- | Article in Book | | 2015 |
| A notable Devon knight : Sir William Courtenay, 1553-1630 | Roberts, John | Article in Journal | | 1956 |
| A Scotch-Irish Clan in Middle
Georgia? The Migration
and Development of a McCarty
Family across Two Centuries | Knight, Thomas Daniel | Article in Journal | | 2019 |
| A young Irishman who was prepared to give a good account of himself | Behan, TonyLecane, Philip, | Article in Journal | | 2011 |
| An Irish manuscript at Glin Castle | Ó Macháin, Pádraig | Article in Book | | 2009 |
| An Irish version of 'The false knight upon the road' | Gerould, G. H. | Article in Journal | | 1938 |
| Ancestral voices - tales from the Big House | Knightly, John | Article in Journal | | 2011 |
| Architectural books and 'Palladianism' in Ireland | Knight of Glin, 1937- | Article in Journal | | 1962 |
| Armorial families. A complete peerage, baronetage, and knightage | Fox-Davies, A. C. | Monograph or Collective Volume | | 1895 |
| Atlantic port cities : economy, culture, and society in the Atlantic world, 1650-1850 | Knight, Franklin W.Liss, Peggy K. | Monograph or Collective Volume | University of Tennessee | 1990 |
| Authority and autonomy : relations between Clerkenwell, Kilmainham and the Hospitaller central convent after the Black Death | O'Malley, Gregory | Article in Book | | 2015 |
| Bagnells and Knights : publishers and papermakers in Cork | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1960 |
| Bagnells and Knights : publishers and papermakers in Cork | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1961 |
| Benjamin Pelin, the Knights of the Plough and social radicalism, 1852-1934 | Lane, Fintan | Article in Book | | 2013 |
| Between Scylla and Charybdis : the Knights of Glin and their Habsburg and Stuart associations, 1600-1700 | Downey, Declan M. | Article in Book | | 2009 |
| Brass banding in Dun Laoghaire Rathdown | Knight, Leslie | Article in Journal | | 2001 |
| Bravery awards for father and son from Dun Laoghaire | Knight, Leslie | Article in Journal | | 2002 |
| Building a frontier? The architecture of the military orders in medieval Ireland | Grogan, PatO'Keeffe, Tadhg | Article in Book | | 2015 |
| Burke in Belfast : Thomas MacKnight, Gladstone and Liberal Unionism | Maume, Patrick | Article in Book | | 2010 |
| Burke's genealogical and heraldic history of the peerage, baronetage and knightage. | | Monograph or Collective Volume | | 1956 |
| Calendar of state papers : domestic series, of the reign of Anne, preserved in the Public Record Office. Volume 3 , May 1704-October 1705 | Dimmer, C.Knighton, Charles StephenRumble, Alexander Richard | Monograph or Collective Volume | National Archives|Boydell | 2005 |
| Calendar of state papers : domestic series, of the reign of Anne, preserved in the Public Record Office. Volume 4 , October 1705-October 1706 | Dimmer, C.Knighton, Charles StephenRumble, Alexander Richard | Monograph or Collective Volume | Boydell | 2006 |
| Candle in the wind : a precarious and volatile existence, from the 1780s to the present | FitzGerald, Desmond, Knight of Glin | Article in Book | | 2009 |
| Canon James Kearney O'Neill 1857-1922 Founder of The Knights of St. Columbanus | Rogers, Frank | Monograph or Collective Volume | Rogers - self-published | 2012 |
| Caoineadh ar Mhuiris mhac an Ridire Mac Gearailt le Piaras Mac Gearailt, 1642. | Ó Murchú, Liam P. | Article in Book | | 2019 |
| Captain and kern and knight-in-arms : martial identities and the subject of conquest in Derricke's Image of Irelande | Moroney, Maryclaire | Article in Book | | 2021 |
| Chieftain to knight : Tibbot-ne-long Bourke (1567-1629) | Chambers, Anne | Monograph or Collective Volume | Wolfhound Press | 1983 |
| Church of the Immaculate Conception, Knightstown, Valentia Island, Co. Kerry, 1915-2015 : 200 years anniversary | | Monograph or Collective Volume | Centenary Committee | 2016 |
| Cobbett in Ireland : a warning to England | | Monograph or Collective Volume | | 1984 |
| Cobbett in Ireland : a warning to England | Cobbett, William, 1763-1835Knight, Denis | Monograph or Collective Volume | Lawrence and Wishart | 1984 |
| Colonel John FitzGerald, the Volunteers and military at Glin in the late eighteenth century | O'Connor, Stephen | Article in Book | | 2009 |
| Continuity, legitmacy and strategy : the titular priors of Ireland - Romegas, González, Wyse and Brochero - and their relations with the Spanish monarchy, 1576-1625 | Downey, Declan M. | Article in Book | | 2015 |
| Creator of Glanleam ... Sir Peter Fitzgerald and his Kerry garden | O'Brien, Seamus | Article in Journal | | 1999 |
| Dinghy sailing in Egypt in the late 40's and 50's | Knight, Leslie | Article in Journal | | 2005 |
| Documents relating to the suppression of the Templars in Ireland | | Article in Journal | | 1967 |
| Due North speaks to Sir James Galway, recently knighted for his services to music | Galway, James, Sir | Article in Journal | | 2002 |
| Early Irish tradecards and other eighteenth-century ephemera | Knight of Glin, 1937- | Article in Journal | | 1987 |
| Edward McSweeney, the Knights of Columbus, and the Irish-American response to Anglo-Saxonism, 1900-1925 | Kauffman, Christopher J. | Article in Journal | | 2003 |
| Eighteenth-century Irish furniture : a provincial manifestation | Coleridge, AnthonyKnight of Glin, 1937- | Article in Journal | | 1966 |
| Eleanor Godfrey - a tradition of landlord philanthropy | Knightly, John G. | Article in Journal | | 2003 |
| Equalizing opportunities for women in Electoral politics in Ireland | Knight, Kathleen ; Galligan, Yvonne ; Nic Giolla Choille, Una | Article in Journal | | 2004 |
| Erris, in the 'Irish highlands', and the 'Atlantic railway' | Knight, P. | Monograph or Collective Volume | | 1836 |
| Estates and landed society in Galway | Melvin, Patrick | Monograph or Collective Volume | Éamonn De Búrca, for Edmund Burke Publisher | 2012 |
| Feudal warlords : the Knights of Glencorbry | MacCotter, PaulNicholls, K. W. (Kenneth W.), | Article in Book | | 2009 |
| Field Survey of Middlequarter, Newtown & Killongford, Co Waterford | Dowling, SimonKnight-O'Connor, Christina : Cantwell, Eddie | Article in Journal | | 2017 |
| Francis Bindon : his life and work | Knight of Glin, 1937- | Article in Journal | | 1967 |
| Francis Bindon : his life and works | Knight of Glin, 1937- | Article in Journal | | 1967 |
| From devotion to ambivalence : a study of four eclectic Knights | Donovan, Tom | Article in Book | | 2009 |
| From Gaelicised chieftains to Protestant gentry : the FitzGeralds of Glin in the eighteenth century | Byrne, Thomas J. | Article in Book | | 2009 |
| From Norse gods to Norman knights: preliminary analysis of an incised slate from The Coombe, Dublin 8 | Johnson, Ruth | Article in Book | | 2023 |
| From swords to ploughshares : evidence for Templar agriculture in medieval Ireland | Murphy, Margaret | Article in Book | | 2015 |
| Gallows Hill Community Archaeology Project | Knight-O'Connor, Christina : Cantwell, Eddie | Article in Journal | | 2019 |
| Georgian Limerick | Knight of Glin, 1937- | Article in Journal | | 1960 |
| Gerald FitzGerald, loyal soldier and ambivalent rebel | Byrne, Thomas J. | Article in Book | | 2009 |
| Gerardo O'Hedin, knight of Calatrava | Walsh, Micheline | Article in Journal | | 1955 |
| Gleann Corbraighe before the Normans | MacCotter, Paul | Article in Book | | 2009 |
| Glin Castle gardens | FitzGerald, Olda | Article in Book | | 2009 |
| Glin maps | O'Connor, Patrick J. | Article in Book | | 2009 |
| Government, War and Society in Medieval Ireland: Essays by Edmund Curtis, A.J. Otway-Ruthven and James Lydon | Curtis, Edmund, 1881-1943Lydon, James F.Otway-Ruthven, Annette Jocelyn, 1909-1989 | Monograph or Collective Volume | Four Courts Press | 2008 |
| Improvements and the Godfrey estate, 1818-1824 | Knightly, John | Article in Journal | | 2009 |
| In pursuit of provenance : the last knight of Glin? | Mulcahy, John | Article in Journal | | 2011 |
| Introduction | Knight of Glin | Article in Book | | 2009 |
| Ireland observed | Craig, Maurice JamesKnight of Glin, 1937- | Monograph or Collective Volume | Mercier Press | 1980 |
| Ireland's painters, 1600-1940 | Crookshank, AnneKnight of Glin, 1937- | Monograph or Collective Volume | Yale University Press for the Paul Mellon Centre for Studies in British Art | 2002 |
| Irish furniture | Knight of Glin, 1937- | Monograph or Collective Volume | Eason | 1978 |
| Irish furniture : woodwork and carving in Ireland from the earliest times to the Act of Union; including A dictionary of Irish furniture-makers by John Rogers | Knight of Glin, 1937-Peill, JamesRogers, John | Monograph or Collective Volume | Yale University Press for the Paul Mellon Centre for Studies in British Art | 2007 |
| Irish gardens | Knight of Glin, 1937-Malins, Edward | Monograph or Collective Volume | Eason | 1977 |
| Irish knighthoods and related subjects : an anthology of published works | Marmion, William F. K. | Monograph or Collective Volume | Irish Genealogical Foundations | 2002 |
| Irish portraits, 1660-1860 | Crookshank, AnneKnight of Glin, 1937- | Monograph or Collective Volume | Paul Mellon Foundation | 1969 |
| Irish Tories and victims of Whig persecution: Sacheverell fever by proxy | Hayton, D. W. (David William) | Article in Book | | 2012 |
| James Dalton : mayor of Orange and papal knight | Anonymous | Article in Journal | | 1988 |
| James McKnight | Wright, Frank | Article in Journal | | 1988 |
| King pawn or black knight? | Thomas, Gwyn | Monograph or Collective Volume | Mainstream | 1995 |
| Knight service in Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1959 |
| Knights across the Atlantic : the knights of labor in Britain and Ireland | Parfitt, Steven | Monograph or Collective Volume | Liverpool University Press | 2016 |
| Knights errant | Ryan, John | Article in Book | | 1998 |
| Knights Hospitallers in Co. Kildare | Sherlock, Archdeacon | Article in Journal | | 1911 |
| Knights of St John of Jerusalem | Marmion, William F. K. | Article in Journal | | 1999 |
| Knights of the road | Murphy, Dympna | Article in Journal | | 2000 |
| Knights' fees in counties Wexford, Carlow and Kilkenny, 13th-15th century | | Monograph or Collective Volume | The Stationery Office [for the Irish Manuscripts Commission] | 1950 |
| Knights' fees in Kildare, Leix, and Offaly | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Journal | | 1961 |
| Lady Arabella Ward - a vignette | Knightly, John | Article in Journal | | 2013 |
| Let us live for those who love us : faith, family, and the contours of manhood among the Knights of Columbanus in late nineteenth-century Connecticut | Koehlinger, A. L. | Article in Journal | | 2004 |
| Lixnaw and the Earls of Kerry | Knightly, John | Article in Journal | | 2010 |
| Looking backward : Commodore Barry County Club in Twin Lakes, Wisconsin | Greeley, Andrew M. | Article in Journal | | 1979 |
| Lord Orrery's travels in Kerry, 1735 | Knight of Glin, 1937- | Article in Journal | | 1972 |
| Lost demesnes : Irish landscape gardening, 1660-1845 | Knight of Glin, 1937-Malins, E. | Monograph or Collective Volume | Barrie and Jenkins | 1976 |
| Margaret 'Meg' Knight Connery: the Westport suffragette | Casey, Mícheál | Article in Journal | | 2018 |
| Markievicz and the Knights of St Patrick | Gilmartin, John Maiben | Article in Journal | | 1995 |
| Medieval imported building stone and utilised stone in Wales and Ireland | Knight, Jeremy | Article in Book | | 2007 |
| Medieval Waterford; part 5 | Nolan, Tom | Article in Journal | | 1980 |
| Memoirs of the different rebellions in Ireland from the arrival of the English : also, a particular detail of that which broke out on 3rd May, 1798; with the history of the conspiracy which preceded it | | Monograph or Collective Volume | Round Tower Books | 1995 |
| Michael Ford's portrait of Lord Chief Justice Henry Singleton | Fitzgerald, Desmond, Knight of GlinLaffan, William | Article in Journal | | 2006 |
| Michael O'Clery, O.F.M., knight-errant of Irish history | Sheppard, Victor | Monograph or Collective Volume | Assisi Press | 1943 |
| Miscellanea : The Knights Templar House in Limerick city | Hodkinson, Brian | Article in Journal | | 2003 |
| Mourne Abbey : a sense of history | Kavanagh, John J. | Article in Journal | | 1989 |
| Nathaniel Clements and some 18th-century Irish houses | Knight of Glin, 1937- | Article in Journal | | 1966 |
| New Finds of Early Christian Monuments : An Unrecorded Group of Brecknock Cross-slabs | Knight, J. K. | Article in Journal | | 1977 |
| New light on Castletown, Co. Kildare | Knight of Glin, 1937- | Article in Journal | | 1965 |
| No philanthropy at the point of production : a knight of St Gregory against the knights of labor in the New England rubber industry, 1885 | Molloy, S. | Article in Journal | | 2003 |
| Northern Ireland : the election of the constitutional convention, May 1975 | Knight, James | Monograph or Collective Volume | [s.n.] | 1975 |
| Northern Ireland : the elections of 1973 | Knight, James | Monograph or Collective Volume | [s.n.] | 1974 |
| Northern Ireland : the elections of the twenties | Baxter-Moore, NicolasKnight, James | Monograph or Collective Volume | Arthur McDougall Fund | 1972 |
| Northern Ireland local government election, 30th May 1973 | Knight, James | Monograph or Collective Volume | [s.n.] | # |
| Obituary | Laffan, William | Article in Journal | | 2011 |
| Patronage of the Knights Hospitaller in Britain and Ireland, 1291-1400 | MacLellan, Rory | Thesis | | |
| Possessions of the Knights Hospitallers in Taghmon | Martin, Michael | Article in Journal | | 2003 |
| Prayer, politics and poetry : Cambridge, Corpus Christi College MS 405 and the Templars and Hospitallers at Kilbarry, Co. Waterford | Ó Clabaigh, Colmán N. | Article in Book | | 2015 |
| Reconstructing Kilmainham : the topography and architecture of the chief priory of the Knights Hospitaller in Ireland, c.1170-1349 | O'Keeffe, Tadhg ; Virtuani, Paolo | Article in Journal | | 2020 |
| Reconstructing the manor of Ballyman: The Poor Knights of Christ and the Temple of Solomon in the southern marches of Dublin | McIlreavy, David | Article in Book | | 2022 |
| Reflections on and memories of Irish painting | Crookshank, AnneKnight of Glin, 1937- | Article in Book | | 2001 |
| Reflections on some eighteenth-century Dublin carvers | Crookshank, AnneKnight of Glin, 1937- | Article in Book | | 2003 |
| Relations between houses of the Order of the Temple in Britain and their local communities, as indicated during the trial of the Templars, 1307-12 | Nicholson, Helen J., 1960- | Article in Book | | 2007 |
| Religion, anti-popery and corruption | Knights, Mark | Article in Book | | 2017 |
| Representation and misrepresentation in later Stuart Britain : partisanship and political culture | Knights, Mark | Monograph or Collective Volume | Oxford University Press | 2004 |
| Republic of Ireland - general elections of 1969 and 1973 | Baxter-Moore, NicolasKnight, James | Monograph or Collective Volume | [s.n.] | 1973 |
| Revd Naylor's desecration | Knight, George | Article in Journal | | 2012 |
| Richard Castle, architect : his biography and works | Knight of Glin, 1937- | Article in Journal | | 1964 |
| Robert Fitzgerald's tour of Surrey Gardens | Symes, Michael | Article in Journal | | 1986 |
| Saint Erc's Hermitage | Knight, George | Article in Journal | | 2024 |
| Schooling and the first job in the 1940s | Knight, Leslie | Article in Journal | | 2004 |
| Seasoned with salt : insular-gallic contacts in the early memorial stones and cross slabs | Knight, J. K. | Article in Book | | 1996 |
| Shadow lord : Theobald Bourke Tibbot-ne-long, 1567-1629 : son of the pirate queen, Grace O'Malley | Chambers, Anne | Monograph or Collective Volume | Ashfield Press | 2007 |
| Shared future – shared values? taking stock of the peace process in Northern Ireland : teenagers’ perspectives | McKnight, MartinaSchubotz, Dirk | Article in Journal | | 2017 |
| Sir William Chambers : Knight of the Polar Star | Crook, Joseph MordauntHarris, EileenHarris, John Frederick | Monograph or Collective Volume | Zwemmer | 1970 |
| Soldiers of Christ : the Knight's Hospitaller and the Knights Templar in medieval Ireland | | Monograph or Collective Volume | Four Courts | 2015 |
| Some Limerick documents from Spain | | Article in Journal | | 1955 |
| Some thoughts on a couple of poems on Shanid Castle | Knight of Glin, 1937- | Article in Journal | | 1987 |
| Spanish documents relating to Ó Concobhair Failghe, 1761-1776 | Hazzard, Benjamin | Article in Journal | | 2022 |
| Spanish knights of Irish origin : documents from continental archives. 3 vols. | | Monograph or Collective Volume | Irish Manuscripts Commission | 1960 |
| Stories from the Campsite | McCarthy, Patricia | Monograph or Collective Volume | | |
| Studies to 'Visiones Georgii', 1-3 | Hammerich, L. L. | Article in Journal | | 1939 |
| T.E. Lawrence's Irish ancestry and relationship to Sir Walter Raleigh | Knight, Ronald D., 1932- | Monograph or Collective Volume | R. D. Knight | 2000 |
| Temple House : from Templar castle to New English mansion | Naessens, PaulO'Conor, Kieran | Article in Book | | 2015 |
| The 'Irish Republic': reconstructing liberty, right principles and the Fenian Brotherhood | Knight, Matthew | Article in Journal | | 2017 |
| The 1916 diary of Mary Henrietta Godfrey | Knightly, John | Article in Journal | | 2006 |
| The archaeology of the Irish Hospitaller preceptories of Mourneabbey and Hospital in context | Cotter, Eamonn | Article in Book | | 2015 |
| The case of the Moat Ring: from Cornashee to the House of Lords | Knight, George | Article in Journal | | 2009 |
| The Catholic church and the Knights of Labor | Browne, Henry J.Monaghan, John P. | Monograph or Collective Volume | Catholic University of America Press | 1949 |
| The character of Norman settlement in Ireland | Otway-Ruthven, Annette Jocelyn, 1909-1989 | Article in Book | | 1965 |
| The Chetwood letters | Chetwood, Knightly | Article in Journal | | 1921 |
| The Chetwood letters | Chetwood, Knightly | Article in Journal | | 1928 |
| The Connolly folly : a case for Richard Castle | Guinness, DesmondKnight of Glin, 1937- | Article in Journal | | 1963 |
| The day Maurice Fitzgibbon became the White Knight | Collins, Noel | Article in Journal | | 2009 |
| The Earl of Caherlough | Corden, Arthur E. | Article in Journal | | 1993 |
| The earlier Geraldine knights of Kerry | MacCotter, Paul | Article in Journal | | 2016 |
| The earls of Ormond and the liberty of Tipperary, c.1603-41 | McKnight, Aileen | Thesis | | 1985 |
| The entring book of Roger Morrice (1677-1691) | Goldie, MarkHarris, TimKnights, MarkMcElligott, Jason, 1972-Morrice, Roger, 1628-1702Spurr, JohnTaylor, Stephen, 1960- | Monograph or Collective Volume | Boydell Press | 2007 |
| The evolution of a Kerry demesne, 1730-1830 : Kilcoleman Abbey, Milltown | Knightly, John | Article in Book | NA | 2020 |
| The evolvement of Glin village | Donovan, Tom | Article in Book | | 2009 |
| The FitzGeralds of Ballydonoghue | Donovan, Tom | Article in Book | | 2009 |
| The Friarstown font | Clarke, Tommy | Article in Journal | | 2007 |
| The Friarstown font | Clarke, Tommy | Article in Journal | | 2007 |
| The Glin Castle of my youth | Schwarz, Maírín Dore | Article in Book | | 2009 |
| The Glin family and Irish poetry | de Brún, Pádraig | Article in Book | | 2009 |
| The Godfrey estate during the Great Famine | Knightly, John G. | Article in Journal | | 2005 |
| The grand priory of Ireland at Kilmainham : St. John's Well and Bully's Acre | Peart, N. | Article in Journal | | 1969 |
| The greatest knight : the remarkable life of William Marshal, the power behind five English thrones | Asbridge, Thomas | Monograph or Collective Volume | Simon and Schuster | 2015 |
| The Green Knight : an unexplored Irish parallel | Jacobs, Nicolas | Article in Journal | | 1982 |
| The Hamilton manuscripts : containing some account of the settlement of the territories ... in the county of Down, by Sir James Hamilton, knight (afterwards created Viscount Claneboye) in the reigns of James I and Charles I | | Monograph or Collective Volume | | 1867 |
| The hospital of St John of Jerusalem in Ireland | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1907 |
| The household knights of Edward I in Ireland | Hartland, Beth | Article in Journal | | 2004 |
| The household knights of King Henry III, 1216-1236 | Lightfoot, K. W. B. | Thesis | | |
| The images of nations in eighteenth-century satire | Knight, Charles A. | Article in Journal | | 1989 |
| The Irish country house | Peill, JamesThe Knight of Glin | Monograph or Collective Volume | Vendome Press | 2010 |
| The Irish crusade : a history of the Knights Hospitaller, the Knights Templar, and the Knights of Malta, in the south-east of Ireland | Byrne, Niall J. | Monograph or Collective Volume | Linden Publishing | 2007 |
| The Irish in London : post-Restoration suburban houses | Knight, Caroline | Article in Journal | | 1998 |
| The Irish in London : post-Restoration suburban houses | Knight, Caroline | Article in Journal | | 1998 |
| The Kerry days of the Knights Hospitaller | O'Donnell, Francis M., KM | Article in Journal | | 2015 |
| The knight's tale | Booker, Sparky | Article in Book | | 2014 |
| The Knightage of Great Britain and Ireland | Burke, J. B. (John Bernard), SirBurke, John, 1787-1848 | Monograph or Collective Volume | Edward Churton | 1841 |
| The Knights Hospitaller in Tudor Ireland : their dissolution and attempted revival | Scott, Brendan | Article in Book | | 2015 |
| The Knights Hospitaller of St John of Jerusalem at Kilmainham | Barrow, G. L. | Article in Journal | | 1984 |
| The Knights Hospitallers in Co. Galway | Falkiner, C. L. (Caesar Litton) | Article in Journal | | 1905 |
| The Knights Hospitallers in Ireland | Peart, Noel | Article in Journal | | 1963 |
| The Knights of Columbanus : lay activism from the origins through the Great Depression | Kauffman, C. J. | Article in Journal | | 1990 |
| The Knights of Columbanus : lay activism from the origins through the Great Depression | Kauffman, C. J. | Article in Journal | | 1990 |
| The knights of England : a complete record from the earliest time to the present day of all the orders of chivalry in England, Scotland, and Ireland, and of Knights Bachelors. Incorporating a complete list of Knights Bachelors dubbed in Ireland. 2 vols. | Burtschaell, G. D.Shaw, William Arthur, 1865-1943 | Monograph or Collective Volume | | 1906 |
| The Knights of Father Mathew : parallel ethnic reform | Sullivan, Margaret LoPiccoloTowey, Martin G. | Article in Journal | | 1981 |
| The Knights of Glin : a Geraldine family | Gaughan, J. Anthony, 1932- | Monograph or Collective Volume | Kingdom Books | 1978 |
| The knights of Glin : seven centuries of change | | Monograph or Collective Volume | Glin Historical Society | 2009 |
| The Knights of Glin in the long sixteenth century | McCormack, Anthony M. | Article in Book | | 2009 |
| The Knights of Kerry | FitzGerald, Adrian, Sir | Article in Book | | 2009 |
| The Knights of Malta : 900 years of care | McHugh, Rosita | Monograph or Collective Volume | Irish Association of the Sovereign, Military and Hospitaller Order of St John of Jerusalem, of Rhodes and of Malta | 1996 |
| The Knights of Saint Columbanus | Bolster, Evelyn | Monograph or Collective Volume | | 1979 |
| The Knights of St John of Jerusalem in Ireland | MacDermott, A. | Article in Journal | | 1956 |
| The Knights of St John of Jerusalem in medieval Ireland (c.1169-1378) | Virtuani, Paolo | Thesis | | 2014 |
| The Knights of St. Columbanus | Bolster, Evelyn | Monograph or Collective Volume | Gill & Macmillan | 1979 |
| The Knights of the Plough | Mathews, Ronnie
| Article in Journal | | 2014 |
| The Knights of the Plough: A Kildare Agricultural Labourers Organisation of the 1890s | Lane, Padraig G. | Article in Journal | | 2009 |
| The Knights Templar house in Limerick city | Hodkinson, Brian J. | Article in Book | | 2012 |
| The Knights Templar in county Carlow | Lyons, Tony | Article in Journal | | 2004 |
| The Knights Templar in Ireland | Marmion, William F. K. | Article in Journal | | 1999 |
| The Knights Templar on trial : the trial of the Templars in the British Isles, 1308-1311 | Nicholson, Helen J., 1960- | Monograph or Collective Volume | History Press | 2009 |
| The Knights Templars and Ireland | Carroll, Michael J. (Michael John) | Monograph or Collective Volume | Bantry Studio Publications | 2006 |
| The Knights Templars and their houses in south east Ireland | Nolan, Tom | Article in Journal | | 1980 |
| The Knights Templars in county Louth | McIvor, Dermot | Article in Journal | | 1961 |
| The Knights' Hospitaller of the English langue 1460-1565 | O'Malley, Gregory | Monograph or Collective Volume | Oxford University Press | 2005 |
| The last knight : a tribute to Desmond FitzGerald, 29th Knight of Glin | O'Byrne, Robert | Monograph or Collective Volume | Lilliput | 2013 |
| The medieval castle in Ireland and Wales | | Monograph or Collective Volume | Four Courts | 2003 |
| The memorial cross at Cross Morris, Kildare | Strath, F. W. | Article in Journal | | 1939 |
| The military order of St Patrick, 1593 | Walsh, M. K. | Article in Journal | | 1979 |
| The minor orders of knighthood. St Thomas of Acre and St Lazarus of Jerusalem | Marmion, William F. K. | Article in Journal | | 1999 |
| The Montgomery manuscripts; 1603-1706 | Montgomery, W. | Monograph or Collective Volume | | 1869 |
| The most illustrious order : the Order of St. Patrick and its knights | Galloway, Peter | Monograph or Collective Volume | Unicorn | 1999 |
| The old countess, the Geraldine Knight and the lady antiquarian : a conspiracy theory revisited | Tait, Clodagh | Article in Journal | | 2013 |
| The order of Knights Templar in the Waterford area | Nolan, Tom | Article in Journal | | 1980 |
| The painters of Ireland, c. 1600-1920 | Crookshank, AnneKnight of Glin, 1937- | Monograph or Collective Volume | | 1978 |
| The Peerage, Bartonetage and Knightage of Great Britain and Ireland | Dod, Charles Roger | Monograph or Collective Volume | | 1841 |
| The plain people of Boston, 1830-1860 : a study of city growth | Knights, Peter R. | Monograph or Collective Volume | Oxford University Press | 1972 |
| The pope, a knight and a bishop on the edge of Christendom : the politics of exclusion in thirteenth-century Ireland | Marshall, John | Article in Journal | | 2023 |
| The Templars in Ireland | Wood, Herbert | Article in Journal | | 1907 |
| The visual culture of the Hospitaller Knights of the Priory of Ireland | Caffrey, Paul | Article in Book | | 2015 |
| The watercolours of Ireland : works on paper in pencil, pastel and paint, c.1600-1914 | Crookshank, AnneKnight of Glin, 1937- | Monograph or Collective Volume | Barrie & Jenkins | 1994 |
| The white knights and their kinsmen | Lee, Gerard A. | Article in Book | | 1967 |
| The White Knights in eighteenth-century Irish Poetry | Nic Éinri, Úna | Article in Journal | | 2015 |
| The White Knights of Munster | Lee, Robert | Article in Journal | | 2008 |
| The wooden sword : age and masculinity in "Táin Bó Cúailnge" | Dukes-Knight, Jennifer | Article in Journal | | 2013 |
| Third report of the Royal Commission on Historical Manuscripts, with appendix and index. [C. 673] | Royal Commission on Historical Manuscripts | Monograph or Collective Volume | | 1872 |
| Thomas Francis Meagher : his Stonyhurst years | Knight, David | Article in Journal | | 2003 |
| Three eighteenth century letters from Lady Theodosia Crosbie | Knight of Glin, 1937- | Article in Journal | | 1984 |
| Tillers of the land and toilers of the deep : farming and fishing in Glin | Stack, Bernard | Article in Book | | 2009 |
| Titled Elizabethans : a directory of Elizabethan state and church officers and knights, with peers of England, Scotland and Ireland, 1558-1603 | Kinney, Arthur F., 1933- | Monograph or Collective Volume | | 1973 |
| Towards a new Ireland | FitzGerald, Garret | Monograph or Collective Volume | Knight | 1972 |
| Tribute. Desmond FitzGerald, 29th Knight of Glin (1937-2011) | Malcomson, A. P. W. | Article in Journal | | 2012 |
| Two issues of Goldsmith's 'Bee' | Knight, Douglas | Article in Journal | | 1944 |
| Two visits to County Monaghan by President Mary McAleese. National Famine Commemoration, Clones, 10 September 2011. A personal reflection | Knight, George | Article in Journal | | 2011 |
| Ulster as it is : or, twenty-eight years experience as an Irish editor. 2 vols. | MacKnight, Thomas | Monograph or Collective Volume | | 1896 |
| Ulster political lives, 1886–1921 | | Monograph or Collective Volume | Royal Irish Academy | 2016 |
| Unforgivable trespasses : the Irish Hospitallers and the defence of their rights in the mid-thirteenth century | Virtuani, Paolo | Article in Book | | 2015 |
| Unpublished Geraldine documents. 4 pts. | Graves, JamesHayman, Samuel | Monograph or Collective Volume | | 1870 |
| Valentia and the Knight of Kerry | Fitzgerald, A. | Article in Book | | 1991 |
| Vanishing country houses of Ireland | Griffin, David J.Knight of Glin, 1937-Robinson, Nicholas | Monograph or Collective Volume | Irish Architectural Archive and Irish Georgian Society | 1989 |
| Vanishing country houses of Ireland | Griffin, David J.Knight of Glin, 1937-Robinson, Nicholas K. | Monograph or Collective Volume | Irish Architectural Archive and Irish Georgian Society | 1989 |
| White knights, dark earls : the rise and fall of an Anglo-Irish dynasty | Power, Bill | Monograph or Collective Volume | Collins | 2000 |
| Who was the Green Knight? | Krappe, A. H. | Article in Journal | | 1938 |
| Workingmen's crusade : the knights of labor and American politics | Fink, Leon | Monograph or Collective Volume | Illinois University Press | 1986 |
| Workingmen's democracy : the knights of labor and American politics | Fink, Leon | Monograph or Collective Volume | University of Illinois Press | 1985 |
| ‘Sr Richard Burk of the Newtowne knight otherwise called MacWilliam Eighter’ | Keenan, Declan | Article in Book | | 2018 |
| ‘The humble petition and offer of Sir Thomas Gerrard, knight, in the behalf of himself and the companions of his attempt for the planting and inhabiting of the Glens and part of Clandeboye in the north of Ireland’, 1570 | Gerrard:, Thomas | Article in Book | | 2016 |