| An Irish artist : W. J. Leech, R.H.A. (1881-1968), vol. 2 : his life work, a catalogue | Denson, Alan | Monograph or Collective Volume | [s.n.] | 1969 |
| Leech : William Leech, 1881-1968 | Ferran, Denise | Monograph or Collective Volume | Town House in association with the National Gallery of Ireland | 1992 |
| W. J. Leech, R.H.A. : a great Irish artist (1881-1968) | Denson, Alan | Article in Journal | | 1974 |
| William John Leech : an Irish painter abroad | Ferran, Denise | Monograph or Collective Volume | Merrell Holberton in association with the National Gallery of Ireland | 1996 |