| Cashel branch | O'Meara, J. | Article in Journal | | 2001 |
| Giraldus Cambrensis : The first version of the Topography of Ireland | | Monograph or Collective Volume | | 1951 |
| Giraldus Cambrensis in Topographia Hibernie : text of the first recension | | Article in Journal | | 1949 |
| Government control 1917-1919 | O'Meara, J. | Article in Journal | | 1997 |
| Great Southern & Western Railway in 1915 | O'Meara, J. | Article in Journal | | 1995 |
| In the wake of the saint : 'The Brendan Voyage', an epic crossing of the Atlantic by leather boat | O'Meara, J. J. | Article in Book | | 2000 |
| Latin script and letters A.D. 400-900 : Festschrift presented to Ludwig Bieler on the occasion of his 70th brithday | | Monograph or Collective Volume | [s.n.] | 1976 |
| Mallow - Banteer - Newmarket | O'Meara, J. | Article in Journal | | 2005 |
| Mallow- Fermoy - Mitchelstown | O'Meara, J. | Article in Journal | | 2004 |
| Mishaps of 1867-71 | O'Meara, J. | Article in Journal | | 1990 |
| Mount Mellick branch | O'Meara, J. | Article in Journal | | 2001 |
| The Athenry and Tuam Railway, 1858-1900 | O'Meara, J. | Article in Book | | 1997 |
| The Ballinrobe branch | O'Meara, J. | Article in Journal | | 1987 |
| The GNR(I) crisis 1938 | O'Meara, J. | Article in Journal | | 1994 |
| The history and topography of Ireland | Gerald, of Wales, c.1146-1220x23O'Meara, J. J. | Monograph or Collective Volume | Dolmen Press | 1979 |
| The voyage of St Brendan : journey to the promised land | | Monograph or Collective Volume | Dolmen Press | 1978 |
| The wars years 1939-45 (3) | O'Meara, J. | Article in Journal | | 2000 |
| Three incidents | O'Meara, J. J. | Article in Journal | | 1993 |
| Tullow branch | O'Meara, J. | Article in Journal | | 2002 |