| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Catalogue of the Irish Ichneumonidae: | 978-0-9550806-1-6 (0-9550806-1-4) | 2007 | J.P. O'Connor · R. Nash · M.G. Fitton |
| A Catalogue of the Irish Platygastroidea and Proctotrupoidea | 978-0-9511514-6-4 (0-9511514-6-0) | 2004 | J.P. O'Connor · R. Nash · D.G. Notton · N.D.M. Fergusson |
| Fauna and Flora of Atlantic Islands | 978-0-9550806-0-9 (0-9550806-0-6) | 2006 | T. J. Hayden · D.A. Murray · J.P. O'Connor |
J C · J. Connor · J. O'Connor · J. P. · J. Patrick O'Connor · Jason P O'Connor · Joseph P O'Connor · **O.C.** · O'Connor · P. C. · P. O'Connor