Conway Maritime Press Ltd · Naval Institute Press
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| ANATOMY SHIP TYPE XXI U BOAT | 978-0-85177-922-5 | 2002 | Eberhard Rossler |
| The Type XXI U-boat | 978-0-85177-570-8 | 1991 | " |
| The Type XXI U-Boat | 978-1-55750-829-4 | 1991 | " |
| Type XXI U-Boat | 978-1-59114-887-6 | 2002 | " |
F K · Frits Kool · Fritz Keil · Fritz Klee · Fritz Köhl · Fritz Kool