| ePub | British Submarine Plans | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Argentinian Submarine Plan | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | French Submarine Plans 3 Achille 1930 | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | French Submarine Plans 2 Acteon 1929 | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | French Submarine Plans 1 Andromede 1949 | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Dutch Submarine Plans 3 Results of submerged dive plane control experiments with a model of the cargo submarine | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Dutch Submarine Plans 2 General arrangement of Operational Submarine of 1125 tons | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Dutch Submarine Plans 1 General arrangement of Cargo Submarine of 1600 tons | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Conway All The Worlds Fighting Ships 1906-1921 (1985) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| MP3 | Enigma (audiobook) | Other | submarines | 1 decade, 5 years | n/a | | |
| MP3 | Dangerous Ground (audiobook) | Other | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 23 German Submarines Torpedo Equipped part 3 (2005) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 28 Atomic Submarines (2006) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 21 German Submarines Torpedo Equipped part 1 (2005) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 22 German Submarines Torpedo Equipped part 2 (2005) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 24 German Submarines Torpedo Equipped part 4 (2005) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 31 Japanese Submarines 1941-1945 (2006) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 30 Ohio Submarine | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 09 Iron Clads 1861-1865 (2005) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Sink""em all - Submarine Warfare in the Pacific (1951) | Drama | submarines | 1 decade, 5 years | n/a | | |
| ePub | Battle Submerged - Submarine Fighters of World War II (1951) novel | | submarines | 1 decade, 5 years | n/a | | |
| ePub | Alles over de modelbouw duiboot (1996) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Booklet of General Plans (SS-190, SS-339, SS-376, SS-381, SS-563) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | Linear Water Waves (2002) | Documentary | submarines | 1 decade, 5 years | n/a | | |
| ePub | War at Sea 37 German Submarine Type XXIII (2009) | Documentary | submarines | 1 decade, 5 years | n/a | | |