Victor Leo Walker · Victor Leo Walker II · Victoria Walker · Viktor Walker
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Greek Islands | 978-0-00-412590-9 (0-00-412590-8) | 1991 |
| Mainland Greece: The Independent Traveller | 978-0-06-096325-5 (0-06-096325-5) | 1989 |