"2. Verdenskrig." . . "Ubådskrig." . . "Marina militare inglese - Guerra mondiale 1939-1945 - Diari e memorie." . . . . "U-570 (Submarine)" . . "World War, 1939-1945 Naval Operations Submarine." . . "U 570 (Submarine)." . . . . . . . "H.M. U-boat" . "H.M. U-boat"@en . . . "Mare profondo"@it . "Mare profondo" . . . . . "H.M. U-Boat. [The story of the German submarine U.570, which was captured by the British Navy, and became the H.M.S. Graph. With plates, including portraits.]"@en . "His Majesty's U-boat" . . . . . . "H.M. U-Boat. [An account of the capture of a German U-boat in the second world war and its subsequent history. With plates.]"@en . "H.M. U-Boat. [An account of the capture of a German U-boat in the second world war and its subsequent history. With plates.]" . . . . . . . . . "HM U-boat" . . . . . . "H.M. U-Boat" . . . "U-boat"@it . . . . . . . . . . . "H.M.U-Boat" . "Mare profundo" . . "H.M.U boat" . . . . . "H. M. U-boat" . "Graph (Submarine)" . . "Graph Submarine." . "Germany. Kreigsmarine." . . "Ubåd." . .