"1. Verdenskrig 1914-1918" . . "Konvoj" . . "Østrig-Ungarn" . . "Allemagne. 7. marins de guerre." . . . . . "The German submarine war, 1914-1918, etc. [With plates, including portraits, and maps.]"@en . . . . "The German Submarine War 1914 - 1918" . . . . . . . . . . . . . . "The German submarine war 1914 - 1918" . . . . "The German submarine war : 1914 - 1918" . . "Germanskai︠a︡ podvodnai︠a︡ voĭna 1914-1918 gg" . "The German submarine war, 1914-1918" . "The German submarine war, 1914-1918"@en . . . . . . . . . . . "The german submarine war : 1914 - 1918" . . . "The German submarine war 1914-1918"@en . . . . . . . . . . . . . "The German Submarine War, 1914-1918, etc. [With plates and maps.]"@en . . "The German submarine war : 1914-1918" . . "German Submarine War 1914-1918" . . . . . . "Germanskaia podvodnaia voina 1914-1918 gg" . "The German submarine war, 1914 - 1918" . . . . . "The german submarine war : 1914-1918, by gibson & prendergast"@en . "The German Submarine War 1914-1918"@en . . . "Unterseebootkrieg." . . "Unterseebootkrieg" . "Middelhavet" . . "Ubåd" . . "World War (1914-1918)" . . . . . "1914 - 1918" . . "Guerre sous marine généralité" . . "Guerre sous marine généralité." . "Ubådskrig" . . "Germany." . . "Skibsbygning" . . "Geschichte 1914-1918" . . "Geschichte 1914-1918." . "World War, 1914-1918 Naval operations Submarine." . . "World War, 1914-1918 Germany." . . "Tyskland" . . "Tyrkiet" . . "Military operations, Naval Submarine." . . "Deutschland." . . "Deutschland" . "Prendergast, Maurice." . . "Skibstab" . . "Gibson, R.h." . .