Title: War Beneath the Waves
Subjects: Germany, kriegsmarine, Great britain, royal navy, World war, 1914-1918, naval operations, submarine, World War, 1914-1918, Naval operations, Submarine, Submarines (Ships), History, Navy-yards and naval stations, Naval Military operations, German Occupation of Belgium (1914-1918) fast (OCoLC)fst01353171, World War (1914-1918) fast (OCoLC)fst01180746