"Seekrieg." . . "Atlantic Ocean." . . "Submarines (Ships)" . . "Military operations, Naval Submarine." . . "World War (1939-1945)" . . . "Laconia (Schiff)" . . "Laconia." . . "World War, 1939-1945 Naval operations Submarine." . . "Steamboat disasters Atlantic Ocean History 20th century." . . "Unterseebootkrieg." . . "Military operations, Naval German." . . "Germany." . . . "The sinking of the Laconia and the U-boat war disaster in the mid-Atlantic"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "The sinking of the Laconia and the U-boat War : disaster in the Mid-Atlantic"@en . "The sinking of the Laconia and the U-boat War : disaster in the Mid-Atlantic" . . "The sinking of the Laconia and the U-boat war : disaster in the mid-Atlantic" . . . . . . . . "History" . "History"@en . . . . . . . . . "Unterseeboot." . . "Zweiter Weltkrieg (Epoche)" . . "Steamboat disasters." . . "Schiffsversenkung." . . "World War, 1939-1945 Naval operations, German." . . "Weltkrieg (1939-1945)" . . "Laconia (Steamship : 1921-1942)" . . "Geschichte 1942" . . "Geschichte 1900-1950" . . "Laconia (Steamship)" . . . . "Submarines (Ships) Germany History 20th century." . . "1900 - 1999" . .