| "History of His Majesty's late Fifth, or Royal Irish Regiment of Dragoons" (as published in the British Military Library for April 1800) | Anonymous | Article in Journal | | 1999 |
| A county Down pedigree : how one Scotsman discovered his Ulster roots | Watson, Harry | Article in Journal | | 1988 |
| A dictionary of printers and booksellers at work in England, Scotland and Ireland, 1668-1725 | Esdaile, Arundell James KennedyPlomer, Henry R. (Henry Robert), 1856-1928 | Monograph or Collective Volume | | 1922 |
| A dictionary of the printers and booksellers who were at work in England, Scotland and Ireland from 1641-67 ... 1668-1725 ... 1726-75. | OthersPlomer, Henry R. (Henry Robert), 1856-1928 | Monograph or Collective Volume | Bibliog. Soc. | 1922 |
| A dictionary of the printers and booksellers who were at work in England, Scotland and Ireland from 1668 to 1725 | Aldis, H. G.Dix, E. R. McC. (Ernest Reginald McClintock), 1857-1936Gray, R. B.McKerrow, R. B.Plomer, Henry R. (Henry Robert), 1856-1928 | Monograph or Collective Volume | | 1922 |
| A late seventeenth century farmhouse at Shantallow, near Londonderry. 2 pts. | Evans, E. Estyn (Emyr Estyn), 1905-1989McCourt, Desmond | Article in Journal | | 1971 |
| A new introduction to Giolla an Fhiugha (the Lad of the Ferule) and Eachtra Cloinne Rígh na h-Ioruaidhe (Adventures of the Children of the King of Norway) | Ní Mhaonaigh, Máire | Monograph or Collective Volume | Irish Texts Society | 1998 |
| A new introduction to two Arthurian romances. | Nagy, Joseph Falaky | Monograph or Collective Volume | Irish Texts Society | 1998 |
| A pamphlet in French on the banishment of Catholic clergy from Ireland in 1653 | | Article in Journal | | 2012 |
| A seventeenth century prior of Kilcock | Kelly, Martin J. | Article in Journal | | 1970 |
| A Swiss soldier in ireland, 1689-90 | Lenihan, PádraigSheridan, Geraldine | Article in Journal | | 2005 |
| Additional Patrick Darcy papers, part 2 : correspondence, legal opinions and the mortgage of Galway's prize wines, 1631-58 | McGrath, Bríd | Article in Journal | | 2025 |
| Additional Patrick Darcy papers: correspondence and legal opinions, 1632, 1661-2; presented by Bríd McGrath | Darcy, Patrick, 1598-1668 | Article in Journal | | 2017 |
| Aghadowey | Gilmore, George | Article in Journal | | 1987 |
| Anthony Bruodins Propugnaculum Catholicae Veritatis : Ein Beispiel für den Umgang mit nationaler und kultureller Identität im 17. Jahrhundert | Ross, Bianca | Article in Book | | 1993 |
| Aspects of intellectual life in seventeenth-century Galway | Ó Muraíle, Nollaig | Article in Book | | 1996 |
| Beneath the Southern Cross - the Eureka stockade | O'Neill, Susan Siobhan | Article in Journal | | 1987 |
| Beneath the Southern Cross - the Eureka stockade : conclusion | O'Neill, Siobhan Susan | Article in Journal | | 1988 |
| Bibliography of publications on Irish placenames | | Monograph or Collective Volume | Irish Texts Society | 2011 |
| Caherlistrane to St Louis | McHugh, Anna | Article in Journal | | 1995 |
| Caidreamh ar áit - tábhacht na h-áite sa saothar "Peig - a scéal féin" | Ní Riain, Isobel | Article in Journal | | 2015 |
| Calendar of documents relating to St Anthony's College, Louvain, 1782-5, in Brussels, general archives of the realm, Privy Council, 713 A | Wijffels, Alain A. | Article in Journal | | 1982 |
| Calendar of the manuscripts of the most hon. the marquis of Salisbury ... preserved at Hatfield House, Hertfordshire | | Monograph or Collective Volume | | 1883 |
| Calendar of Volume 16 of the Fondo di Vienna in Propaganda archives : Part 4, ff. 281-371 | Millett, Benignus | Article in Journal | | 2001 |
| Calendar of volume1 (1625-68) of the collection 'Scritture riferite nei congressi, Irlanda' in Propaganda Archives | Millett, Benignus | Article in Journal | | 1964 |
| Catholic missions in the West Indian colonies : John Grace, an Irish missionary of Propaganda Fide, 1666-1668 | Pizzorusso, Giovanni | Article in Journal | | 1985 |
| Census records of the Irish in eighteenth century Cadiz | Walton, Julian | Article in Journal | | 1985 |
| Charlesfort : the story of a Meath estate and its people, 1668 to 1968 | Coogan, TonyGaughran, Jack | Monograph or Collective Volume | [s.n.] | 1991 |
| Christopher Hewetson and his monument to Dr Baldwin in Trinity College, Dublin | Esdaile, Katharine Ada | Article in Journal | | 1947 |
| Church registers, Co. Armagh | Anonymous | Article in Journal | | 1987 |
| Connections between the landed communities of Munster and South Wales, c. 1668-1780 | Jenkins, Philip | Article in Journal | | 1979 |
| Cyprianus Anglicus, or The history of the life and death, of the most reverend and renowned prelate William, by divine providence, Lord Archbishop of Canterbury; ... containing also the ecclesiastical history of England, Scotland and Ireland, from his first rising till his death | Heylyn, H.Heylyn, Peter, 1599-1662 | Monograph or Collective Volume | | 1668 |
| David Oluwale: Making His Memory and Debating His Martyrdom | Farrar, Max | Article in Book | | 2018 |
| Departure and exile in the Drelincourt correspondence | McKee, Jane | Article in Book | | 2013 |
| Essay towards an union of Ireland with England | Maxwell, Henry, 1668x9-1730 | Monograph or Collective Volume | | 1703 |
| Few, uncooperative, and endangered: the activity of the Irish Catholic priests in the West Indies of the seventeenth century, 1638-1668 | Binasco, Matteo | Article in Book | | 2010 |
| Fled Bricrenn : reassessments | | Monograph or Collective Volume | Irish Texts Society | 2000 |
| Four letters of Father James White, O.F.M. of Clonmel, 1668-79 | | Article in Journal | | 1976 |
| Historic Lismore | Heaney, Columban | Article in Journal | | 1984 |
| Hobbes, Bramhall and the politics of liberty and necessity : a quarrel of the Civil Wars and Interregnum | Jackson, Nicholas D. | Monograph or Collective Volume | Cambridge University Press | 2007 |
| How to trace family history in Northern Ireland. Part 3 | Neill, Kathleen | Article in Journal | | 1984 |
| How to trace family history in Northern Ireland. Part 4 | Neill, Kathleen | Article in Journal | | 1984 |
| Irish emigrants to South Australia, 1850-1920 : a list of Irish emigrants who sailed to south Australia via Plymouth, Engand | Ahern, Mavis | Article in Journal | | 1985 |
| Irish Texts Society : the first hundred years | | Monograph or Collective Volume | Irish Texts Society | 1998 |
| Irving/Irwin | Roberts, May McBriar | Article in Journal | | 1987 |
| Ivy Embleton Memorial Library | Anonymous | Article in Journal | | 1987 |
| Jack Carney and the 'Truth' in Duluth | Hudelson, Richard | Article in Journal | | 1994 |
| Jonathan Swift | Wooley, James | Article in Book | | 1986 |
| Journal of Henry McClintock | McClintock, HenryÓ Néill, Pádraig | Monograph or Collective Volume | County Louth Archaeological and Historical Society | 2001 |
| Justice denied : crimes in Ireland | Guerin, Jimmy | Monograph or Collective Volume | Blackwater | 2004 |
| La presencia militar Irlandesa en el ejército de Extremadura (1640-1668) | Rodríguez Hernández, Antonio José | Article in Book | | 2010 |
| Lixnaw and the Earls of Kerry | Knightly, John | Article in Journal | | 2010 |
| Mapping the past in the past : the cartographer as antiquarian in pre-ordnance-survey Ireland | Andrews, J. H. (John Harwood) | Article in Book | | 1986 |
| Murlands of Annsborough | Rankin, Kathleen | Article in Journal | | 1997 |
| Neill family | Neill, Kathleen | Article in Journal | | 1987 |
| Patrick Darcy and the constitutional relationship between Ireland and Britain | Clarke, Aidan | Article in Book | | 2000 |
| Patrick Darcy, Galway lawyer and politician, 1598-1668 | O'Malley, Liam | Article in Book | | 1984 |
| Petition of Ulstermen, 1718 | Gumley, V. | Article in Journal | | 1987 |
| Piggybacking Hewetson's Baldwin monument from Rome to Trinity College, Dublin, in 1784 | McDonnell, Joseph | Article in Book | | 2011 |
| Policing Two Imperial Frontiers : The Royal Irish Constabulary and the North-West Mounted Police | Marquis, Greg | Article in Book | | 2005 |
| Priests, parsons and politics : the Rightboy protest in County Cork 1785-1788 | Bric, Maurice J. | Article in Book | | 1987 |
| Properties in Carrick-on-Suir granted to the Duke of Ormond in 1668 | Manning, Conleth | Article in Journal | | 2008 |
| Properties in Dingle granted to the Duke of Ormond in 1668 | Manning, Conleth | Article in Journal | | 2007 |
| Reports on the Rawlinson collection of manuscripts preserved in the Bodleian Library, Oxford | McNeill, Charles | Article in Journal | | 1930 |
| Republican voices | | Monograph or Collective Volume | Seesyu Press | 2001 |
| Roundhead General : the campaigns of Sir William Waller | Adair, John | Monograph or Collective Volume | Sutton | 1997 |
| Seán Ó Suilleabháin: an cartlannaí agus an scoláire | Ó Donnchú, Ken | Article in Journal | | 2011 |
| Settlement of the Great Duke's arrears | Manning, Conleth | Article in Journal | | 2016 |
| St. Mary's Leixlip gravestone inscriptions | Colgan, John | Article in Journal | | 2003 |
| Tadhg Dall Ó hUiginn : his historical and literary context | | Monograph or Collective Volume | Irish Texts Society | 2010 |
| The 'Intelligencer' : its dating and contemporaneity | Wooley, James | Article in Book | | 1985 |
| The Celtic system and the origin of Irish surnames | Neill, Kathleen | Article in Journal | | 1988 |
| The fallen chieftain : the tomb of Hugh O'Neill, Earl of Tyrone at San Pietro de Montorio, Rome | Mongan, Norman | Article in Journal | | 1984 |
| The foundation of the hospital and free school of Charles II, Oxmantown, Dublin, commonly called the Blue Coat School | Falkiner, Frederick R., Sir | Monograph or Collective Volume | [s.n.] | 1906 |
| The French expedition to Candie, 1668-9 | Ó hAnnracháin, Eoghan | Article in Journal | | 2013 |
| The genealogical records of the Mormon church | Olivio, Lorna A. | Article in Journal | | 1987 |
| The hearth money rolls for the County of Wicklow, 1668 | Reilly, Stan J. | Article in Journal | | 1993 |
| The implications of Thomas Wentworth's proposals for a plantation in Connacht and the provincial old English | Duignan, Aoife | Article in Journal | | 2001 |
| The Irish abroad | Lawrence, N. | Article in Journal | | 1987 |
| The Irish career of Ulick Burke, fifth earl of Clanricarde and second earl of Saint Albans, 1641-1643 | Debe, Demetri David | Thesis | | 2005 |
| The Irish cathedral priory of Holy Trinity (Christ Church), Dublin: an ecclesiastical oddity | Kinsella, Stuart | Thesis | | 1997 |
| The Irish in America : why did thousands emigrate to America? | O'Neill, John | Article in Journal | | 1955 |
| The Irish in North America | Akenson, Donald Harman | Article in Journal | | 1986 |
| The McVeigh family, Ballyeasborough, Co. Down | Anonymous | Article in Journal | | 1984 |
| The narrative of the settlement and sale of Ireland | [French, Nicholas] | Monograph or Collective Volume | | 1668 |
| The Noble Revolt. The Overthrow of Charles I | Adamson, John Sonley Anthony | Monograph or Collective Volume | Weidenfeld and Nicolson | 2007 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Journal | | 1966 |
| The papal mission to Ireland of James Taaffe in 1668 | Millett, Benignus | Article in Book | | 1995 |
| The parish registers for the Church of Ireland (Episcopalian) in the united diocese of Tuam, Killala and Achonry | Clesham, Brigid | Article in Journal | | 1984 |
| The register of the parish of the Holy Trinity (Christ Church), Cork, from July 1643 to February 1668, with extracts from the parish books from 1664 to 1668 | Caulfield, Richard | Monograph or Collective Volume | Purcell & Co. | 1877 |
| The rehousing of rural labourers in Ireland under the Labourers (Ireland) Acts, 1883-1919 | Aalen, F. H. A. | Article in Journal | | 1986 |
| The Simpsom Grant story | Kinkead, Robert | Article in Journal | | 1987 |
| The Spanish monarchy and Irish mercenaries : the wild geese in Spain 1618-68 | Stradling, R. A. | Monograph or Collective Volume | Irish Academic Press | 1994 |
| The true story of an Irish pioneer : (Roseanna McConnell, 1849-1929) | Miller, Beverly J. | Article in Journal | | 1987 |
| The Vansce family in Ireland | Neill, Kathleen | Article in Journal | | 1983 |
| The Woodhouse-Stradbally papers, 1668 to 1904 | Peacock, H. R.R. | Article in Journal | | 1983 |
| The working-class housing movement in Dublin, 1850-1920 | Aalen, F. H. A. | Article in Book | | 1985 |
| Thomas Nugent fourth earl of Westmeath | Fagan, Patrick, 1922-2011 | Article in Journal | | 2003 |
| Thomas Wilson, Francis Hutchinson and Litriu na Gaeilge | Williams, N. J. A. | Article in Journal | | 1986 |
| Who were the Huguenots? | Best, E. J. | Article in Journal | | 1984 |
| Winston Churchill, Dublin, 1662-1668 | Lennon, M. J. | Article in Journal | | 1990 |