| 'I signed my death warrant' : Michael Collins and the Treaty | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2006 |
| 'The ship must go and I must go' : Roger Casement's last adventure | Dwyer, T. Ryle | Article in Book | Irish Historical Publications | 2016 |
| Across the waves | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2002 |
| American efforts to discredit De Valera during World War II | Dwyer, T. Ryle | Article in Journal | | 1973 |
| Americans and the great Irish famine | Dwyer, T. Ryle | Article in Journal | | 1974 |
| Big fellow, long fellow : a joint biography of Collins and De Valera | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1998 |
| Canada and David Grey's attempts to discredit de Valera during world war II | Dwyer, T. Ryle | Article in Journal | | 1976 |
| Charlie : the political biography of Charles J. Haughey | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1987 |
| David Gray and the Axis representatives to Ireland during World War II | Dwyer, T. Ryle | Article in Journal | | 1973 |
| De Valera : the man and the myths | Dwyer, T. Ryle | Monograph or Collective Volume | Poolbeg Press Ltd | 1991 |
| De Valera's darkest hour : in search of national independence, 1919-1932 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1982 |
| De Valera's finest hour : in search of national independence, 1932-59 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1982 |
| Eamon de Valera | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1980 |
| Eamon de Valera and the Partition Question | Dwyer, T. Ryle | Article in Book | | 1983 |
| Fallen idol : Haughey's controversial career | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1997 |
| Guests of the state | Dwyer, T. Ryle | Article in Book | | 2004 |
| Guests of the state : the story of Allied and Axis servicemen interned in Ireland during World War II | Dwyer, T. Ryle | Monograph or Collective Volume | Brandon | 1994 |
| Haughey's forty years of controversy | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2005 |
| Haughey's thirty years of controversy | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1992 |
| Irish neutrality and the U.S.A., 1939-1947 | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1977 |
| Michael Collins : the man who won the war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1990 |
| Michael Collins : the man who won the war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2009 |
| Michael Collins and the Civil War | Dwyer, T. Ryle (Thomas) | Article in Book | | 2017 |
| Michael Collins and the civil war | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier | 2012 |
| Michael Collins and the treaty : his differences with de Valera | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 1981 |
| Nice fellow : a biography of Jack Lynch | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2001 |
| Short fellow : a biography of Charles J. Haughey | Dwyer, T. Ryle | Monograph or Collective Volume | Marino Books | 1999 |
| Strained relations : Ireland at peace and the U.S.A. at war, 1941-1945 | Dwyer, T. Ryle | Monograph or Collective Volume | Gill & Macmillan | 1988 |
| Tans, terror and troubles : Kerry's real fighting story, 1913-1923 | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2001 |
| The Anglo-Irish treaty and why they signed | Dwyer, T. Ryle | Article in Journal | | 1971 |
| The Rose of Tralee : fifty years a-blooming | Dwyer, T. Ryle | Monograph or Collective Volume | O'Brien Press | 2009 |
| The squad and the intelligence operations of Michael Collins | Dwyer, T. Ryle | Monograph or Collective Volume | Mercier Press | 2005 |