C.P. · Cécile Picouet · Czeslaw Pest
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Wilczy Szaniec, Twierdza Boyen i okolice oraz inne kwatery Hitlera w Europie | 978-83-907664-6-1 (83-907664-6-9) | 1998 |
| Wolfsschanze hitler's Headquarters in East Prussia Guide | 978-83-907664-0-9 (83-907664-0-X) | 1997 |