http://dbpedia.org/resource/German_submarine_U-50_(1939)
http://dbpedia.org/resource/German_submarine_U-85_(1941)
http://dbpedia.org/resource/German_submarine_U-101_(1940)
http://dbpedia.org/resource/German_submarine_U-54_(1939)
http://dbpedia.org/resource/German_submarine_U-52_(1939)
http://dbpedia.org/resource/German_submarine_U-76_(1940)
http://dbpedia.org/resource/German_submarine_U-73_(1940)
http://dbpedia.org/resource/German_submarine_U-1308
http://dbpedia.org/resource/Norwegian_K-class_submarine
http://dbpedia.org/resource/German_submarine_U-46_(1938)
http://dbpedia.org/resource/German_submarine_U-74_(1940)
http://dbpedia.org/resource/German_submarine_U-45_(1938)
http://dbpedia.org/resource/German_submarine_U-53_(1939)
http://dbpedia.org/resource/German_submarine_U-55_(1939)
http://dbpedia.org/resource/German_submarine_U-48_(1939)
http://dbpedia.org/resource/German_submarine_U-75_(1940)
http://dbpedia.org/resource/German_submarine_U-49_(1939)
http://dbpedia.org/resource/German_submarine_U-51_(1938)
http://dbpedia.org/resource/German_submarine_U-86_(1941)
http://dbpedia.org/resource/German_submarine_U-84_(1941)
