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Submarine warfare — Audiobooks
Submarine Warfare of To-day
by Charles W. (Charles William) Domville-Fife
The Journal of Submarine Commander von Forstner
by Freiherr von Georg-Günther Forstner
Als U-Boots-Kommandant gegen England
by Freiherr von Georg-Günther Forstner
Torpedo War, and Submarine Explosions
by Robert Fulton
Submarines, Mines and Torpedoes in the War
by Charles W. (Charles William) Domville-Fife
Submarine Warfare, Past, Present, and Future
by Herbert C. Fyfe