| A history of Irish thought | Duddy, Thomas | Monograph or Collective Volume | Routledge | 2002 |
| Dictionary of Irish philosophers, A - Z | | Monograph or Collective Volume | Thoemmes Continuum | 2004 |
| Irish philosophy in the nineteenth century : epistemology and metaphysics | | Monograph or Collective Volume | Thoemmes | 2002 |
| The Irish response to Darwinism | Duddy, Thomas | Article in Book | | 2011 |
| The peculiar opinions of an Irish Platonist : the life and thought of Thomas Maguire | Duddy, Thomas | Article in Book | | 1998 |
| Thinking Ireland : cultural nationalism and the problem of Irish ideas | Duddy, Thomas | Article in Journal | | 2003 |
| Toland, Berkeley and the irrational hypothesis | Duddy, Thomas | Article in Journal | | 1999 |