| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Hidden Soldier: An Irish Legionnaire's Wars from Bosnia to Iraq | 978-1-84717-114-6 (1-84717-114-1) | 2008 | Padraig O'Keeffe · Ralph Riegel |
| Hidden Soldier: An Irish Legionnaire’s Wars from Bosnia to Iraq | 978-1-84717-032-3 (1-84717-032-3) | 2007 | Padraig O'Keeffe · Ralph Riegel |