German submarine U-457 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-457" in English language version.

refsWebsite

Global rank English rank

2,553^rd place

1,888^th place

uboat.net

Helgason, Guðmundur. "The Type VIIC boat U-457". German U-boats of WWII – uboat.net. Retrieved 24 September 2012.
Helgason, Guðmundur. "Ships hit by U-457". German U-boats of WWII – uboat.net. Retrieved 27 December 2014.