| Descendancy: Irish Protestant histories since 1795 [by] David Fitzpatrick. Cambridge University Press, [2015] | Regan, John M. | Article in Journal | | 2015 |
| Dr Jekyll and Mr Hyde: 'the two histories' | Regan, John M., 1967- | Article in Journal | | 2012 |
| Great Hatred. The assassination of Field Marshal Air Henry Wilson MP, [by] Ronan McGreevy. London, 2022 | Regan, John M. | Article in Journal | | 2022 |
| Introduction | Cronin, MikeRegan, John M., 1967- | Article in Book | | 2000 |
| Ireland : the politics of independence, 1922-49 | | Monograph or Collective Volume | Macmillan | 2000 |
| Irish public histories as an historiographical problem | Regan, John M., 1967- | Article in Journal | | 2010 |
| Kevin O'Higgins, Irish republicanism and the conservative counter-revolution | Regan, John M., 1967- | Article in Book | | 1999 |
| Kindling the Singing Flame : The destruction of the Public Record Office (30 June 1922), as a historical problem | Regan, John M. | Article in Book | | 2016 |
| Kindling the Singing Flame: the destruction of the Public Record Office (30 June 1922) as a historical problem | Regan, John M. | Article in Journal | | 2015 |
| Looking at Mick again : demilitarising Michael Collins | Regan, John M., 1967- | Article in Journal | | 1995 |
| Michael Collins - the legacy and the intestacy | Regan, John M., 1967- | Article in Book | | 1998 |
| Michael Collins, General Commanding-in-Chief, as a historiographical problem | Regan, John M., 1967- | Article in Journal | | 2007 |
| Myth and the Irish state : historical problems and other essays | Regan, John M., 1967- | Monograph or Collective Volume | Irish Academic Press | 2013 |
| Southern Irish nationalism as a historical problem | Regan, John M., 1967- | Article in Journal | | 2007 |
| Strangers in our midst : middling people, revolution and counter-revolution in twentieth-century Ireland | Regan, John M., 1967- | Article in Journal | | 2001 |
| The 'Bandon Valley Massacre' as a historical problem | Regan, John M., 1967- | Article in Journal | | 2012 |
| The Irish counter-revolution 1921-1936 : treatyite politics and settlement in independent Ireland | Regan, John M., 1967- | Monograph or Collective Volume | Gill & Macmillan | 1999 |
| The memoirs of John M. Regan : a Catholic officer in the RIC and RUC, 1909-1948 | Regan, John M., 1889-1971 | Monograph or Collective Volume | Four Courts | 2007 |
| The politics of reaction : the dynamics of treatyite government and policy, 1922-33 | Regan, John M., 1967- | Article in Journal | | 1997 |
| The politics of utopia : party politics, executive autonomy and the new administration | Regan, John M., 1967- | Article in Book | | 2000 |
| The “O'Brien ethic” as an interpretative problem | Regan, John M. | Article in Journal | | 2013 |