| 'The machine will work without them' : Kevin O'Higgins and the Jury Bills of 1924 and 1927 | Owens, Rosemary Cullen | Article in Book | | 2007 |
| A murder, a disappearance and an upheaval: three turbulent months in 1927 | Meehan, Clara | Article in Journal | | 2005 |
| Afterimage of the revolution : Kevin O'Higgins and the Irish Revolution | Knirck, Jason K., 1971- | Article in Journal | | 2003 |
| Apostates or imperialists? W. T. Cosgrave, Kevin O'Higgins, and republicanism | Knirck, Jason | Article in Journal | | 2010 |
| Bibliographies of 1916 and the Irish revolution : 12, Arthur Griffith; 13, Michael Collins; 14, Kevin O'Higgins, 15, Darrell Figgis | O'Hegarty, P. S. | Article in Journal | | 1937 |
| Centenary memories of Kevin O'Higgins' Family | Logue, Rose Mary | Article in Journal | | 2023 |
| Ireland's "Civil Wars" | Matthews, Kevin | Article in Journal | | 2007 |
| Kevin O'Higgins | White, Terence De Vere | Monograph or Collective Volume | [s.n.] | 1966 |
| Kevin O'Higgins | White, Terence De Vere | Monograph or Collective Volume | Methuen | 1948 |
| Kevin O'Higgins : builder of the Irish State | McCarthy, John P. (John Patrick), 1938- | Monograph or Collective Volume | Irish Academic Press | 2006 |
| Kevin O'Higgins, Irish republicanism and the conservative counter-revolution | Regan, John M., 1967- | Article in Book | | 1999 |
| Kevin O'Higgins, the Tullamore realm trial and the ideas of a complex revolutionary | Egan, Richard | Article in Journal | | 2004 |
| Speaking ill of the dead | Dungan, Myles | Monograph or Collective Volume | New Island | 2007 |
| The 1923 Land Act : some new perspectives | Dooley, Terence A. M.McCarthy, Tony | Article in Book | | 2015 |
| The 1926 Imperial Conference and Kevin O'Higgins's proposals for a dual monarchy | | Article in Journal | | 2013 |