| Citizenship on the ethnic frontier : nationality, migration and rights in Northern Ireland since 1920 | Leahy, ThomasÓ Dochartaigh, Niall | Article in Book | | 2018 |
| Informers, agents, the IRA and British counter-insurgency strategy during the Northern Ireland Troubles, 1969 to 1998 | Leahy, Thomas Daniel Melchizadek | Thesis | | |
| The politics of troubles memories in Northern Ireland and the Republic of Ireland, 1998 to 2018 | Leahy, Thomas | Article in Journal | | 2019 |
| The ‘unforgivable’? : Irish Republican Army (IRA) informers and dealing with Northern Ireland conflict legacy, 1969-2021 | Leah Williams, Eleanor ; Leahy, Thomas | Article in Journal | | 2023 |
| Thomas Leahy, Member 'E' Company, 2nd Battalion, Dublin Brigade. Irish Volunteers 1914.Member of Irish Citizen Army. | Leahy, Thomas | Article in Book | | 2016 |