| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Gauge O System: Compendium | 978-0-904568-90-5 (0-904568-90-3) | 1999 | Julie Graebe |
| Hornby Gauge O System | 978-0-904568-35-6 (0-904568-35-0) | 1985 | " |
| The Hornby Gauge O System | 978-1-872727-52-3 (1-872727-52-2) | 1998 | " |