J.B. · J Barth · Jürgen Barth
Automobilia · David Bull Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Porsche Pocket History | 978-88-85058-16-3 (88-85058-16-7) | 1982 |
| The Porsche Book 3 Volume Set: The Complete History of Types and Models | 978-1-893618-93-0 (1-893618-93-5) | 2009 |