| An O'Kelly deed | Egan, Patrick K. | Article in Journal | | 1961 |
| Ballinasloe town and parish, 1585-1855 | Egan, Patrick K. | Article in Journal | | 1953 |
| Obligationes pro Annatis Diocesis Clonfertensis | | Article in Journal | | 1958 |
| Progress and suppression of the United Irishmen in the western counties in 1798-99 | Egan, Patrick K. | Article in Journal | | 1954 |
| The Augustinian priory of St Mary, Clontuskert O Many | Egan, Patrick K. | Article in Journal | | 1946 |
| The church in Ireland in the fifteenth century. 2 : Diocesan organization, Clonfert | Egan, Patrick K. | Article in Journal | | 1956 |
| The forebears of Doctor William James MacNevin | Egan, Patrick K. | Article in Book | | 1980 |
| The influence of the Irish on the Catholic church in America in the nineteenth century | Egan, Patrick K. | Monograph or Collective Volume | National University of Ireland | 1968 |
| The parish of Ballinasloe : its history from the earliest times to the present century | Egan, Patrick K. | Monograph or Collective Volume | Kenny's Bookshop | 1994 |
| The parish of Ballinasloe, Co. Galway | Egan, Patrick K., Rev. | Thesis | | 1960 |
| The town of Loughrea in 1791 | Egan, Patrick K. | Article in Journal | | 1951 |