| A literary guide to Ireland | Cahill, SusanCahill, Thomas | Monograph or Collective Volume | Wolfhound Press | 1979 |
| Captain Jeremiah O'Brien of Machias, Maine | Cahill, Thomas | Article in Journal | | 1938 |
| De cómo los irlandeses salvaron la civilización : la historia nunca contada de cómo los irlandeses copiaron y salvaron los manuscritos clásicos | Cahill, Thomas | Monograph or Collective Volume | Editorial debate | 1998 |
| How the Irish saved civilization : the untold story of Ireland's heroic role from the fall of Rome to the rise of medieval Europe | Cahill, Thomas | Monograph or Collective Volume | Hodder and Stoughton | 1995 |
| Senator George Mitchell on the 1998 Good Friday Agreement in conversation with Miriam Nyhan Grey and Thomas Hill (2018 Irish Institute lecture) | Hill, ThomasNyhan Grey, Miriam | Article in Journal | | 2021 |