Title: U-Boat Assault on America
Subjects: United states, navy, history, World war, 1939-1945, campaigns, atlantic ocean, History, World War, 1939-1945, Naval operations, Submarine, German Naval operations, Defenses, Naval Military operations, World War (1939-1945) fast (OCoLC)fst01180924, United States. Navy, United States, World War (1939-1945) fast (OCoLC)fst01180924 (uri) http://id.worldcat.org/fast/fst01180924