| "An entirely exceptional case" : Ireland and the British problem | Smyth, Jim | Article in Journal | | 1991 |
| Ethnicity, class and popular toryism, 1850-1870 | Kirk, Neville | Article in Book | | 1980 |
| From Gododdin to Gwynedd : reflections on the story of Cunedda | Gruffydd, R. G. | Article in Journal | | 1989 |
| Ireland and England | McDowell, R. B. (Robert Brendan), 1913-2011 | Article in Book | | 1971 |
| Irish immigration and the Catholic 'Welsh District' 1840-1850 | O'Leary, Paul | Article in Book | NA | 1988 |
| Irish in the East Cheshire silk industry, 1851-1861 | Williams, F. J. | Article in Journal | | 1987 |
| Les catholiques anglais 1850-1950 | Becquet, T. | Article in Journal | | 1951 |
| Migration and economic growth : a study of Great Britain and the Atlantic economy. | Thomas, Brinley | Monograph or Collective Volume | | 1973 |
| Politics and society in Wales, 1840-1922 : essays in honour of Ieuan Gwynedd Jones | NA | Monograph or Collective Volume | NA | 1988 |
| Race, difference, and Irish identity in Cartoon Saloon’s 2009 film, The Secret of Kells | Harvey, Kate | Article in Journal | | 2025 |
| Scottish industrialism and the Catholic | Handley, J. E. | Article in Journal | | 1946 |
| Shipping statistics of the Philadelphia Custom House, 1733 to 1774, refute the Scotch-Irish theory | O'Brien, Michael J. | Article in Journal | | 1923 |
| The English Catholics, 1850-1950 : essays to commemorate the centenary of the restoration of the hierarchy of England and Wales | NA | Monograph or Collective Volume | NA | 1950 |
| The famine and the Church in England | Gwynn, D. R. (Denis Rolleston), 1893-1972 | Article in Journal | | 1947 |
| The famine and the development of the Church in Scotland | Handley, J. E. | Article in Journal | | 1947 |
| The growth of Liverpool | Power, M. J. | Article in Book | | 1992 |
| The Huguenot settlements in Ireland | Lee, G. L. | Monograph or Collective Volume | Longmans | 1936 |
| The impact of the Irish on British labor markets during the industrial revolution | Williamson, J. G. | Article in Book | | 1989 |
| The impact of the Irish on British labor markets during the industrial revolution | Williamson, J. G. | Article in Journal | | 1986 |
| The Irish community in Greenock in the 19th century | Lobban, R. D. | Article in Journal | | 1971 |
| The Irish immigrant in Britain | Boyle, Kevin | Article in Journal | | 1968 |
| The Irish in Britain | O'Connor, Kevin | Monograph or Collective Volume | Sidgwick & Jackson | 1972 |
| The Irish in Queensland : an overview | MacGinley, M. E. R. | Article in Book | | 1991 |
| The London 'mob' of the eighteenth century | Rudé, George F. E. | Article in Journal | | 1959 |
| The Roman Catholic mission to the Irish in London | Gilley, Sheridan | Article in Journal | | 1969 |
| The Scots in Ulster : their denization and naturalization, 1605 to 1634. 3 pts. | Stewart, David | Monograph or Collective Volume | Presbyterian Historical Society of Ireland | 1952 |
| The Scots of Dalriada | Bannerman, John | Article in Book | | 1971 |
| Urban Catholics : urban Catholicism in England and Wales from 1829 to the present day | Hickey, John | Monograph or Collective Volume | | 1967 |
| ‘Save me from my friends’ : the transnational intimacies of an Irish-Latvian couple within and beyond the Irish revolution, 1916–1921 | Casey, Maurice J. | Article in Journal | | 2022 |