| Anna Parnell’s 1881 visits and the amazing sequels | O'Regan, Liam | Article in Journal | | 1995 |
| Corruption in the 19th century and the diaries of James M. Burke | O'Regan, Liam | Article in Journal | | 2001 |
| O'Donovan Rossa and his brief marriage with Ellen Buckley | O'Regan, Liam | Article in Journal | | 1999 |
| The 'imperialistic bishop of Ross' and his political influence | O'Regan, Liam | Article in Journal | | 1997 |
| The Castle Island evictions, 1889-1890 | O'Regan, Liam | Article in Journal | | 1998 |
| Tribute to Bernard O’Regan | O'Leary, PaddyO'Regan, Liam | Article in Journal | | 1996 |
| Two Catholic 'gentleman' of the 1860s and whatever happened to Carbery Show | O'Regan, Liam | Article in Journal | | 1996 |