第二次世界大战U艇王牌艇长列表
参考资料

↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2023-03-24）.
↑  Helgason, Guðmundur. . German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net.   [2009-04-14]. （原始内容存档于2010-12-08）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-04-11）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-19）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-18）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-07-28）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-07-28）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-20）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-25）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2016-05-31）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-24）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-29）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2023-02-03）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2023-04-01）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2016-11-16）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2017-01-02）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-22）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-29）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-27）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-22）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-20）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-27）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2021-06-17）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-08-05）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2023-06-07）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-29）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-08-15）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2021-06-22）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-25）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-08-15）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2021-05-07）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-19）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2021-04-13）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-08-05）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2023-06-05）.
↑  Helgason, Guðmundur. . German U-boats of WWII - uboat.net.   [2023-08-08]. （原始内容存档于2020-09-22）.