| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Bezeten van vrijheid | 978-90-70876-55-5 (90-70876-55-8) | 1987 | |
| The Flight of Rudolf Hess: Myths and Reality | 978-0-7509-4757-2 (0-7509-4757-8) | 2007 | Roy Conyers Nesbit |
G. A. · G. Acker · G. V. · V. A. · V. Acker