U-boat: the secret menace.

Bibliographic Details
Main Author:	Mason, David, 1938-
Format:	Book
Language:	English
Published:	London : Macdonald & Co., 1968.
Series:	History of the Second World War.
Subjects:	World War, 1939-1945 > Naval operations > Submarine. World War, 1939-1945 > Campaigns > Atlantic Ocean. World War, 1939-1945 > Naval operations, German. World War (1939-1945) Military campaigns. Military operations, Naval > German. Military operations, Naval > Submarine. Atlantic Ocean. 1939-1945

Cushing: Ragan Military (Does not check out)