| Mayo : the waters and the wild : paintings by John P. McHugh | Mullen, Michael | Monograph or Collective Volume | Cottage Publications | 2004 |
| Opposition, social closure, and sport : the Gaelic Athletic Association in the 19th century | Mullen, Michael | Article in Journal | | 1995 |
| The darkest years : a famine story | Mullen, Michael | Monograph or Collective Volume | Cavendish House | 1997 |
| The Mullen family | Mullen, Michael | Article in Book | | 1990 |
| The road taken : a guide to the roads and scenery of Mayo | Mullen, Michael | Monograph or Collective Volume | Nonsuch | 2008 |