| America and Ireland, 1776-1976 : the American identity and the Irish connection | | Monograph or Collective Volume | Greenwood Press | 1980 |
| Courts and cabinets of George III | Anonymous | Monograph or Collective Volume | [s.n.] | 1848 |
| George III, Queen Sadhbh and the historians | Morley, Vincent | Article in Journal | | 2002 |
| King George's Jubilee celebrated in Tralee in October 1809 | O'Carroll, Gerald | Article in Journal | | 2005 |
| The correspondence of George III and Lord North from 1768 to 1783. 2 vols. | | Monograph or Collective Volume | | 1867 |
| The ideology of imperial reform : enlightened absolutism and the American colonies | Banke, Rachel | Article in Book | | 2021 |
| The Loughan Spire: General Richard Dalton's lost Habsburg monument in County Westmeath | Murtagh, Harman | Article in Journal | | 2023 |
| Wentworth Woodhouse manuscripts : hand list and index | Anonymous | Monograph or Collective Volume | | 1984 |