Subjects: World War, 1914-1918--Naval operations, American; World War, 1914-1918--Naval operations, German; Submarines (Ships)--Germany--History--20th centuryHISTORY / Wars & Conflicts / World War I; HISTORY / Military / Naval
تفاصيل العنوان
Subjects: World War, 1914-1918--Campaigns--Atlantic Ocean; Anti-submarine warfare--History--20th century; Anti-submarine warfare--United States--History--20th centuryHISTORY / Military / Naval; HISTORY / Wars & Conflicts / World War I
Subjects: World War, 1914-1918--Atlantic Ocean; World War, 1914-1918--Naval operations, AmericanHISTORY / Wars & Conflicts / World War I
Subjects: World War, 1914-1918--Naval operations, American; World War, 1914-1918--Naval operations--Submarine; World War, 1914-1918--Personal narratives, AmericanHISTORY / Wars & Conflicts / World War I; HISTORY / Military / Naval