| Baldonnell Aerodrome 1917-1957 | O'Malley, Michael | Article in Journal | | 2003 |
| Butler County : a story in diversity | O'Malley, Michael J. | Article in Journal | | 1990 |
| Local relief during the Great Irish Famine, 1845-1850 : the case of Castlebar, County Mayo, 1846-1847 | O'Malley, Michael | Article in Journal | | 1997 |
| Memories of a Connemara man [extracts by his daughter Sheila Mulloy] | O'Malley, Michael George | Article in Journal | | 1995 |
| Memories of Queen's College Galway 1904-1906 | O'Malley, Michael | Article in Journal | | 1998 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael C. | Monograph or Collective Volume | University College Dublin | 2010 |
| Military aviation in Ireland, 1921-45 | O'Malley, Michael | Thesis | | 2007 |
| Notes and Queries. Castlewarden and King William's army | O'Malley, Michael C. | Article in Journal | | 2013 |
| The Irish in Chicago, economic mobility, 1845-1890 | O'Malley, Michael J. | Article in Journal | | 2000 |