| "Come back Paddy Reilly" : aspects of Irish return migration, 1600-1845 | Fitzgerald, Patrick | Article in Book | Manchester University Press | 2005 |
| 'Blind Cruise' the Elizabethan harper | Edwards, David, 1963- | Article in Journal | | 2012 |
| 'Intellectual hatred' and 'intellectual nationalism' : the paradox of passionate politics | Harper, George Mills | Article in Book | | 1971 |
| 'Irish harpers are excellent, and their solemn music is much liked of strangers' : the Irish harp in non-Irish contexts in the seventeenth century | Cunningham, John (Bangor University) | Article in Book | Four Courts Press | 2009 |
| 'McCaffery' : a ballad | Harper, H. S. | Article in Journal | | 1946 |
| A 1798 court martial with reference to Arthur O'Neill, the harper | Ó Muirí, Réamonn | Article in Journal | | 1987 |
| A Cork musical at the early Stuart court : Daniel Duff O'Cahill, (c.1580-c.1660) | Donnelly, Seán | Article in Journal | | 2000 |
| A late Elizabethan coin-hoard from Springhill forest, Ballindrum townland, Moneymore, Co. Londonderry | Harper, A. E. T.Seaby, W. A. | Article in Journal | | 1973 |
| A lone woman in Ireland; edited, with an introduction by Tadhg Foley | Cloud, J. G. | Article in Journal | | 2004 |
| A newly discovered portrait of Patrick Quin, the harper, c.1745-1812 | Audley, Brian | Article in Journal | | 1994 |
| A state of emergency : the story of Ireland's Covid crisis | Chambers, Richard | Monograph or Collective Volume | Harper Collins Ireland | 2021 |
| All of these people : a memoir | Keane, Fergal | Monograph or Collective Volume | HarperCollins | 2005 |
| Ancient funerall monuments within the united monarchie of Great Britaine, Ireland and the islands adjacent, with the dissolved monasteries theirin contained ... | Weever, John | Monograph or Collective Volume | T. Harper | 1631 |
| Anglea's ashes | McCourt, Frank | Monograph or Collective Volume | HarperCollins | 1996 |
| Anglo-Norman Studies XX : Proceedings of the Battle Conference in Dublin 1997 | | Monograph or Collective Volume | Boydell Press | 1998 |
| Ann Elizabeth Hamlin (1940-2003) | Harper, A. E. T. | Article in Journal | | 2002 |
| Annals of the Irish harpers | Fox, C. M. | Monograph or Collective Volume | Ardrigh Books | 2013 |
| Annals of the Irish harpers | Fox, C. M. | Monograph or Collective Volume | | 1911 |
| Barefoot in Mullyneeny : a boy's journey towards belonging | Gallagher, Bryan | Monograph or Collective Volume | HarperCollins | 2005 |
| Britain BC : life in Britain and Ireland before the Romans | Pryor, Francis | Monograph or Collective Volume | HarperCollins | 2003 |
| Britain in the Middle Ages : an archaeological history | Pryor, Francis | Monograph or Collective Volume | HarperPress | 2006 |
| Bunting and the Belfast harper's festival of 1792 | Harbison, Jane | Article in Journal | | 1986 |
| Carolan ... the great Irish composer, harper and poet | McCabe, E. | Article in Journal | | 1998 |
| Carolan : the life and times of an Irish harper. 2 vols. | O'Sullivan, Donal | Monograph or Collective Volume | Routledge & Kegan Paul | 1958 |
| Catholic footsteps in old New York : a chronicle of Catholicity in the City of New York from 1524 to 1808 | Bennett, William Harper | Monograph or Collective Volume | Shwartz, Kirwin and Fauss | 1909 |
| Complex questions for Ireland (Speech delivered on 24 November 1998) | McAleese, Mary | Article in Book | | 2001 |
| Cornelius Heeney | Bennett, William Harper | Article in Journal | | 1918 |
| Cornelius Heeney | Bennett, William Harper | Article in Journal | | 1918 |
| Coronation. A History of Kingship and the British Monarchy | Strong, Roy C. | Monograph or Collective Volume | HarperCollins | 2005 |
| Dangerous deeds and polluting texts : the moral readings and modern reception of the insular penitentials | Janes, Dominic | Article in Book | | 2008 |
| Dungiven and World War I | Harper, Alistair J. | Article in Journal | | 2002 |
| Dympna Harper (1940-2018) trade unionist and labour activist | Callan, Charles | Article in Journal | | 2019 |
| Edward, Lord Carson | Anderson, Ronald | Monograph or Collective Volume | HarperCollins | 2002 |
| Enticing the emigrant : Canadian Agents in Ireland and Scotland, c.1870-c.1920 | Harper, Marjory | Article in Journal | | 2004 |
| Excavations on Cathedral Hill, Armagh, 1968 | Brown, CynthiaHarper, A. E. T. | Article in Journal | | 1984 |
| Fenian fire : the British government plot to assassinate Queen Victoria | Campbell, Christopher | Monograph or Collective Volume | HarperCollins | 2002 |
| Great Irish lives | | Monograph or Collective Volume | Times Books / Harper Collins | 2009 |
| Growing up in the Foreglen | Harper, Des | Article in Journal | | 2011 |
| Harperstown House | Layne, Bill | Article in Journal | | 2003 |
| Haughey : his life and unlucky deeds | Arnold, Bruce, 1936- | Monograph or Collective Volume | HarperCollins | 1993 |
| Himself alone : David Trimble and the ordeal of unionism | Godson, Dean | Monograph or Collective Volume | HarperCollins | 2004 |
| Intrepid traveller | Walker, Gerry | Article in Journal | | 2007 |
| Introduction | Harper, Marjory | Article in Book | | 2005 |
| Ireland | Cabot, David | Monograph or Collective Volume | HarperCollins | 1999 |
| Ireland : a social and cultural history, 1922-2002 | Brown, Terence | Monograph or Collective Volume | Harper Periennial | 2004 |
| Ireland's fight for freedom | Creed, George | Monograph or Collective Volume | Harper & Brothers | 1919 |
| Ireland's fight for freedom, setting forth the high lights of Irish history | Creel, George | Monograph or Collective Volume | HarperCollins | 1919 |
| Irish folk, trad and blues : a secret history | Harper, ColinHodgett, Trevor | Monograph or Collective Volume | Collins Press | 2004 |
| It depends on your standpoint - reflections on the mission and mindset of St Patrick | Harper, A.E.T., Archbishop of Armagh | Article in Journal | | 2012 |
| James Joyce's Ireland | Harper, DanPierce, David | Monograph or Collective Volume | Yale University Press | 1992 |
| John Hume : a biography | Routledge, Paul, 1943- | Monograph or Collective Volume | HarperCollins | 1997 |
| Journeys and migrations : north Irish roots Ireland to America | Harper, Marjory | Article in Journal | | 2006 |
| Kelp burning in the Glens | Harper, Douglas | Article in Journal | | 1974 |
| Madame Lynch and friend : the true account of an Irish adventuress and the dictator of Paraguay who destroyd that American nation | Brodsky, Alym | Monograph or Collective Volume | Harper & Row | 1975 |
| Marriage as an adaptive strategy among Irish travellers in South Carolina | Harper, Jared V. | Article in Journal | | 1981 |
| Minds on the edge : immigration and insanity among Scots and Irish in Canada, 1867–1914 | Harper, Marjory | Article in Journal | | 2014 |
| Music has ended : the death of a harper | Donnelly, SeánUa Súilleabháin, Seán | Article in Journal | | 1991 |
| My father's picture | Harper, Des | Article in Journal | | 2012 |
| Nicholas Dall Pierse of Co. Kerry, harper | Pierse, John H. | Article in Journal | | 1973 |
| Oestrogen rising 2016 : Ireland’s stained and bloodied cloths | Harper, Catherine | Article in Journal | | 2017 |
| Patrick Byrne of Magheracloone, leading harper and distinguished celebrity of the nineteenth century | McDermott, Micheál | Article in Journal | | 2010 |
| Professor William King and the establishment of the geological sciences in Queen's College Galway | Harper, David A. T. | Article in Book | | 1999 |
| Reliques of Irish poetry ... by Miss Brooke | Brooke, Charlotte | Monograph or Collective Volume | | 1789 |
| Revd Charles Bunworth of Buttevant : patron of harpers and poets | Ó Catháin, Diarmaid | Article in Journal | | 1997 |
| Roots of the Harper family, Co. Monaghan, Ireland | Harper, Michael J. K. | Article in Journal | | 1989 |
| Sacred causes : religion and politics from the European dictators to Al Qaeda | Burleigh, Michael | Monograph or Collective Volume | Harper Perennial | 2007 |
| Samuel Beckett : the last modernist | Cronin, Anthony | Monograph or Collective Volume | HarperCollins | 1996 |
| Saving Knock Iveagh. Returning a Neolithic cairn to the heart of a community | Copeland, ArleneHarper, AnneKelly Veronica | Article in Journal | | 2023 |
| Seamus Heaney | Vendler, Helen | Monograph or Collective Volume | HarperCollins | 1998 |
| Second Presbyterian Church, Comber, 1838-1990 | Osborne, Harper W. | Monograph or Collective Volume | Publications Committee of Second Presbyterian Church, Comber | 1992 |
| Shaping an ‘indigenous’ liturgy: The case for Medieval Wales | Harper, Sally | Article in Book | | 2017 |
| So how many Irishmen went to Glyn Achlach? : early accounts of the formation of cerdd dant | Harper, Sally, 1962- | Article in Journal | | 2001 |
| Some Irish harpers in Scotland | O'Baoill, Colm | Article in Journal | | 1971 |
| Some pre-civil war Irish militiamen of Brooklyn, New York | Bennett, William Harper | Article in Journal | | 1922 |
| Some pre-Civil War Irish Militiamen of Brooklyn, New York | Bennett, William Harper | Article in Journal | | 1922 |
| Talking to terrorists : a personal journey from the IRA to Al Qaeda | Taylor, Peter, 1942- | Monograph or Collective Volume | Harper | 2011 |
| Talking to terrorists : face to face with the enemy | Taylor, Peter, 1942- | Monograph or Collective Volume | Harper Press | 2011 |
| The Belfast harpers festival 1782 ... and 1988 | Williamson, Noel | Article in Journal | | 1988 |
| The building of Bandon Methodist manse | Bateman, GeraldineHarper, LeslieKingston, Doris | Article in Journal | | 2016 |
| The evolution of emigrant travel to New Zealand in the nineteenth and twentieth centuries | Harper, Marjory | Article in Journal | | 2016 |
| The faithful tribe : an intimate portrait of the loyal institutions | Edwards, Ruth Dudley | Monograph or Collective Volume | HarperCollins | 1999 |
| The four nations : a history of the United Kingdom | Welsh, Frank | Monograph or Collective Volume | HarperCollins | 2002 |
| The globalisation of God : Celtic Christianity's nemesis | Harper, TessMolloy, Dara | Monograph or Collective Volume | Aisling Publications | 2009 |
| The harp of Ireland : the Belfast harpers' festival 1792 and the saving of Ireland's harp music by Edward Bunting | Yeats, Gráinne | Monograph or Collective Volume | Belfast Harpers' Bicentenary Ltd | 1992 |
| The harpers’ legacy : Irish national airs and pianoforte composers | Hunt, Una | Article in Journal | | 2011 |
| The Holyhead road : the mail-coach road to Dublin, 1 : London to Birmingham; 2 : Birmingham to Holyhead. 2 vols. | Harper, C. G. | Monograph or Collective Volume | | 1902 |
| The Immigrant in American History | Hansen, Marcus Lee | Monograph or Collective Volume | Harper & Row | 1940 |
| The IRA | Coogan, Tim Pat | Monograph or Collective Volume | HarperCollins | 2000 |
| The Irish | O'Hanlon, T. J. | Monograph or Collective Volume | Harper & Row | 1975 |
| The Irish war | Geraghty, Tony | Monograph or Collective Volume | HarperCollins | 1998 |
| The last harpers - and Breifne | Ó Caithnia, L. P. | Article in Journal | | 1980 |
| The legacy of the Belfast Harpers' Festival, 1792 | Harbison, Janet | Article in Journal | | 1989 |
| The serpent and the goddess : women, religion and power in Celtic Ireland | Condren, Mary | Monograph or Collective Volume | Harper & Row | 1989 |
| The sleepwalkers : how Europe went to war in 1914 | Clark, Christopher | Monograph or Collective Volume | Harper Collins | 2013 |
| The snowy : the people behind the power | McHugh, Siobhán | Monograph or Collective Volume | Harper Collins | 1995 |
| The unmasking of Oscar Wilde | Pearce, Joseph | Monograph or Collective Volume | HarperCollins | 2000 |
| The wheels of the world : 300 years of Irish Uilleann pipers | Harper, ColinMcSherry, John | Monograph or Collective Volume | Jawbone Press | 2015 |
| Thomas O'Shea, a Kerry harper | Mac Lochlainn, Alf, 1926- | Article in Journal | | 1970 |
| Titanic lives : migrants, millionaires, conmen and crew | Hines, Richard Davenport | Monograph or Collective Volume | Harper | 2012 |
| Turlough O'Carolan, 1670-1738, in the era of the Penal Laws | Mac Gabhann, Séamus | Article in Journal | | 2021 |
| Two Irish harpers in Scotland | Ó Baoill, Colm | Article in Book | | 2007 |
| Victorian architectural competitions : an index to British and Irish architectural competitions in "The Builder", 1843-1900. | Harper, Roger H. | Monograph or Collective Volume | Mansell | 1983 |
| Why me? One woman's fight for justice and dignity | Gallagher, JimMaguire, Anne | Monograph or Collective Volume | HarperCollins | 1994 |
| Wisdom of two : the spiritual and literary collaboration of George and W.B. Yeats | Harper, Margaret Mills | Monograph or Collective Volume | Oxford University Press | 2006 |