| A pugilistic contest held at Bottle Hill 1821 based on contemporary newspaper accounts | O'Regan, John | Article in Journal | | 2018 |
| John T. Davis | Davis, John T., 1947-O'Regan, John, 1958- | Monograph or Collective Volume | Gandon Editions | 1993 |
| Latin scholars, wattle stick fightetrs, lice and stormy weather: some of the experiences of an English government official, James Weale, on his first visit to Sliabh Luachra in April 1828 | O'Regan, John | Article in Journal | | 2023 |
| Michael Canning | Scott, Yvonne | Monograph or Collective Volume | Gandon Press | 2008 |
| Private Paddy Hassett and World War I | O'Regan, John | Article in Journal | | 2016 |
| Public works : the architecture of the office of public works, 1831-1987 | | Monograph or Collective Volume | Architectural Association of Ireland | 1987 |