| A memoir of the late Albert Blest | Motherwell, M. C. | Monograph or Collective Volume | | 1843 |
| Anti-standing army ideology, identity, and ideas of union within the British Isles, 1689–1714 | McGrath, Charles Ivar | Article in Journal | | 2023 |
| Cardinal Pole's absolution of George Browne, Henry VIII's archbishop of Dublin | Ronan, Myles V. (Myles Vincent) | Article in Journal | | 1949 |
| Catalogue of manuscripts in possession of the Representative Church Body, ... Dublin | Leslie, J. B. (James Blennerhassett) | Monograph or Collective Volume | | 1938 |
| Church Methodists in Ireland : statistical evidence | Cooke, J. H. | Article in Journal | | 1964 |
| Competitive religious cultures in nineteenth-century Belfast | Hempton, David | Article in Journal | | 1990 |
| Conversions among the legal profession in Ireland in the eighteenth century | Power, Thomas P. | Article in Book | | 1990 |
| Converts | Power, Thomas P. | Article in Book | | 1990 |
| Edmund Spenser on justice and mercy | Bradshaw, Brendan | Article in Book | | 1987 |
| Enforcing the Elizabethan settlement : the vicissitudes of Hugh Brady, bishop of Meath, 1563-84 | Walshe, H. C. | Article in Journal | | 1989 |
| England and Ireland since 1800 | O'Farrell, Patrick James | Monograph or Collective Volume | Oxford University Press | 1975 |
| Evangelical cross-currents in the Church of Ireland, 1820-1833 | Stunt, Timothy C. F. | Article in Book | | 1989 |
| God's frontiersmen : the Scots-Irish epic | Fitzpatrick, Rory | Monograph or Collective Volume | Weidenfeld and Nicolson | 1989 |
| Gothic revival architecture in Ireland. 2 vols. | Richardson, D. S. | Monograph or Collective Volume | | 1983 |
| Hartlib, Dury and Comenius. Gleanings from Hartlib's papers | Turnbull, G. H. | Monograph or Collective Volume | | 1947 |
| I bPrionta i Leabhar : na Protastúin agus Prós na Gaeilge 1567-1724 | Williams, Nicholas | Monograph or Collective Volume | An Clóchomhar|Cló Iar-Chonnach | 1986 |
| Into all the World : A history of 150 years of the Overseas work of the Presbyterian Church in Ireland | | Monograph or Collective Volume | | 1990 |
| Ireland and the Irish : a short history | Bottigheimer, Karl S. | Monograph or Collective Volume | Columbia University Press | 1982 |
| Irish church records : their history, availability and use in family and local history research | | Monograph or Collective Volume | Flyleaf Press | 1992 |
| Irish troop movements and James II's army in 1688 | Melvin, Patrick | Article in Journal | | 1971 |
| James Bonnell, 1653-99. Accountant general of Ireland | Emerson, N. D. | Article in Journal | | 1940 |
| James Bonnell, churchman (1653-99) | McAdoo, H. R. | Article in Journal | | 1952 |
| Leaders of the Reformation | | Monograph or Collective Volume | | 1984 |
| Methodism in Galway | Cooney, Dudley A. Levistone | Monograph or Collective Volume | Methodist Church | 1978 |
| Nótaí ar Óglaigh, ar Chaithearnigh, ar Mhílístigh is ar Oráistigh Chontae na Gaillimhe | Ó Snodaigh, Pádraig | Article in Journal | | 1980 |
| Orangeism in Ireland and Britain, 1795-1836 | Senior, Hereward | Monograph or Collective Volume | Routledge & Kegan Paul | 1966 |
| Pieces of Irish history, illustrative of the condition of the Catholics of Ireland, of the origin and progress of the political system of the United Irishmen; and of their transactions with the Anglo-Irish government | MacNeven, W. J. | Monograph or Collective Volume | | 1807 |
| Pierre Drelincourt : l'exil en Angleterre et en Irlande | McKee, Jane | Article in Journal | | 1991 |
| Religion, law and power : the making of Protestant Ireland, 1660-1760 | Connolly, Sean J. | Monograph or Collective Volume | | 1992 |
| Robert Dawson (1589-1643), bishop of Clonfert and Kilmacduagh | Wiseman, W. G. | Article in Journal | | 1990 |
| St. Enoch's congregation, 1872-1972 : an account of Presbyterianism in Belfast | Barkley, John M. | Monograph or Collective Volume | St Enoch's Church | 1972 |
| The archives of immigrant communities in Britain, 1 : Anglo-Jewish archives, by A.S. Diamond; 2 : Some Huguenot records in London collections, by I. Scouloudi; 3 : The archives of the Polish Institute, by R. Oppman | Diamond, A. S.Oppman, R.Scouloudi, Irene | Article in Journal | | 1974 |
| The Baptist Union : a short history | Payne, E. A. | Monograph or Collective Volume | | 1958 |
| The Catholic emancipation crisis in Ireland, 1823-29 | Reynolds, J. A. | Monograph or Collective Volume | Yale University Press | 1954 |
| The chantries in the Irish Reformation; the case of St Anne's Guild, Dublin, 1550-1630 | Lennon, Colm | Article in Book | | 1990 |
| The Church of Ireland in the early eighteenth century | James, F. G | Article in Journal | | 1979 |
| The colonisation of Ulster, 2 pts. | Maxwell, Constantia | Article in Journal | | 1916 |
| The convert rolls | | Monograph or Collective Volume | Stationery Office for the Irish Manuscripts Commission | 1981 |
| The early history of Trinity College, Dublin, 1591-1660 | Urwick, William | Monograph or Collective Volume | | 1891 |
| The huguenot-Palatine settlements in the counties of Limerick, Kerry, and Tipperary | Savory, D. L. | Article in Journal | | 1948 |
| The Huguenots and Ireland : anatomy of an emigration | | Monograph or Collective Volume | Glendale | 1987 |
| The Irish Quakers : a short history of the Religious Society of Friends in Ireland | Wigham, Maurice J. | Monograph or Collective Volume | Historical Committee of the Religious Society of Friends in Ireland | 2003 |
| The Methodist crusade in Ireland 1795-1845 | Hempton, David | Article in Journal | | 1980 |
| The Orange Order in Ireland : a religious institution? | Roberts, D. A. | Article in Journal | | 1971 |
| The popular Reformation comes to Ireland : the case of John Walker and the foundation of the Church of God, 1804 | Liechty, Joseph | Article in Book | | 1990 |
| The practice of religious controversy in Dublin, 1600-1641 | Gaffney, Declan | Article in Book | | 1989 |
| The Presbyterian church in Ireland, 2. | Barkley, John M. | Article in Journal | | 1967 |
| The Presbyterian revolution in Ulster, 1660-1690 | Gillespie, Raymond, 1955-2024 | Article in Book | | 1989 |
| The Protestant Gaelic tradition in Ulster | Collins, Peter | Article in Book | Gael Linn | 2015 |
| The Protestant Reformation in Ireland | Ford, Alan, 1956- | Article in Book | | 1986 |
| The Reformation and the Irish episcopate. | Lawlor, H. J. (Hugh Jackson), 1860-1938 | Monograph or Collective Volume | | 1932 |
| The Sash Canada wore : a historical geography of the Orange Order in Canada | Houston, Cecil J.Smyth, W. J. (William James) | Monograph or Collective Volume | University Toronto Press | 1980 |
| The unionist tradition in Ireland | Archer, J. R. | Article in Journal | | 1980 |
| Two centuries of life in County Down, 1600-1800 | Stevenson, John, ca. 1850-1932 | Monograph or Collective Volume | | 1920 |
| Ulster politics : the formative years, 1868-1886 | Walker, B. M. (Brian Mercer) | Monograph or Collective Volume | | 1990 |
| Varieties of uniformity : the first century of the Church of Ireland | Clarke, Aidan | Article in Book | | 1989 |
| Women and Protestant minorities in eighteenth-century Ireland | Hempton, DavidHill, Myrtle | Article in Book | | 1991 |
| Women and the Reformation in seventeenth-century Ireland | Kilroy, Phil | Article in Book | | 1991 |