| A 'Fair chance'? The Catholic Irish Brigade in the British Service, 1793-1798 | McDonnell, Ciarán | Article in Journal | | 2016 |
| Correspondence between the Rt. Hon. William Pitt and Charles, Duke of Rutland | Anonymous | Monograph or Collective Volume | [s.n.] | 1890 |
| George Canning and the battle of Camperdown | Crimmin, Patricia Kathleen | Article in Journal | | 1981 |
| Ireland in the age of imperialism and revolution, 1760-1801 | McDowell, R. B. (Robert Brendan), 1913-2011 | Monograph or Collective Volume | Clarendon Press | 1979 |
| King George IV : a reappraisal | Raymond, John | Article in Journal | | 1962 |
| Pitt versus Fox : the Westminster scrutiny, 1784-5 | Kelly, Paul | Article in Journal | | 1972 |
| Prelude to Union : Anglo-Irish politics in the 1780s | Kelly, James, 1959- | Monograph or Collective Volume | | 1992 |
| Public Record Office, gifts and deposits, Chatham papers | Anonymous | Monograph or Collective Volume | | 1966 |
| Secret service under Pitt | Fitzpatrick, W. J., 1830-1895 | Monograph or Collective Volume | | 1892 |
| The Catholic Committee and the Kenmare secession | Wall, Maureen (née Mac Geehin) | Article in Journal | | 1947 |
| The European and American background of O'Connell's nationalism 1, Introduction; 2, The American war of independence and Irish nationalism; 3, America and Irish legislative independence; 4, The English parliamentary reform movement, 1779-80; 5, The Irish parliamentary reform movement; 6, Parliamentary reform and Irish national tradition | Edwards, R. W. D. (Robert Walter Dudley) | Article in Journal | | 1948 |
| The failure of William Pitt's Irish trade propositions 1785 | Schweitzer, D. R. | Article in Journal | | 1984 |
| The Irish Act of Union, the Catholic question and the collapse of Pitt's ministry: a study in high politics, 1798-1801 | Geoghegan, Patrick Martin | Thesis | | 1997 |
| The origins of the Act of Union : an examination of Unionist opinion in Britain and Ireland, 1650-1800 | Kelly, James, 1959- | Article in Journal | | 1987 |
| The younger Pitt. Vol. 2 : The reluctant transition | Ehrman, John | Monograph or Collective Volume | | 1983 |
| The younger Pitt. Vol. 3 : The consuming struggle | Ehrman, John | Monograph or Collective Volume | Constable | 1996 |
| Viceregal vignettes : Lords lieutenant of Ireland under William Pitt, the Younger, 1784-1801 | Schweitzer, D. R. | Article in Journal | | 1986 |