| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Gerl Definitives: A specialised handbook of the definitive postage stamps of Ireland, 1968 to 1978 | 978-0-9506415-0-8 (0-9506415-0-2) | 1978 | Edward Fitzgerald |
B. Warren · Bernie Warren · Bruno Warin · Bruno Warion · Bryan Warren