| Biomedical controversies in Catholic Ireland : a contemporary history of divisive social issues | O'Leary, Don | Monograph or Collective Volume | Eryn Press | 2020 |
| Biomedical controversies in Catholic Ireland : a contemporary history of divisive social issues | O'Leary, Don | Monograph or Collective Volume | Eryn Press | 2020 |
| Canon Sheehan's dystopia : 'Godless science' and 'Survival of the fittest' | O'Leary, Don | Article in Book | | 2014 |
| Canon Sheehan's dystopia : 'Godless science' and 'Survival of the fittest' | O'Leary, Don | Article in Book | | 2014 |
| Faith, nature, and science in the works of Canon Sheehan | O'Leary, Don | Article in Journal | | 2013 |
| From the "Origin" to "Humani Generis" : Ireland as a case study | O'Leary, Don | Article in Book | | 2009 |
| From the origin to humani generis : Ireland as a case study | O'Leary, Don | Article in Book | | 2009 |
| Irish Catholicism and science: from 'Godless colleges' to the 'Celtic Tiger' | O'Leary, Don | Monograph or Collective Volume | Cork University Press | 2012 |
| The origins, development and decline of vocationalism in twentieth-century Ireland | O'Leary, Donald | Thesis | | 1996 |
| Vocationalism and social Catholicism in twentieth-century Ireland : the search for a Christian social order | O'Leary, Don | Monograph or Collective Volume | Irish Academic Press | 2000 |
| Vocationalism in emergency Ireland | O'Leary, Don | Article in Book | | 2004 |