Submarine Warfare, Past, Present, and Future

The Journal of Submarine Commander von Forstner

Submarine Warfare of To-day How the Submarine Menace Was Met and Vanquished, with Descriptions of the Inventions and Devices Used, Fast Boats, Mystery Ships, Nets, Aircraft, &c. &c., Also Describing the Selection and Training of the Enormous Personnel Used in This New Branch of the Navy

Als U-Boots-Kommandant gegen England

Submarines, Mines and Torpedoes in the War

Torpedo War, and Submarine Explosions