Henry Stevens · S H · S Henry
Adventures Unlimited Press · Woloszanski
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hitler's Suppressed and Still-Secret Weapons, Science and Technology | 978-1-931882-73-6 (1-931882-73-8) | 2007 |
| Tajny arsenal Hitlera | 978-83-89344-78-6 (83-89344-78-5) | 2010 |