German submarine U-631 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-631" in English language version.

refsWebsite
Global rank English rank
2,553rd place
1,888th place
3rd place
3rd place

books.google.com

uboat.net

  • Helgason, Guðmundur. "The Type VIIC boat U-631". German U-boats of WWII - uboat.net. Retrieved 23 August 2014.
  • Helgason, Guðmundur. "Ships hit by U-631". German U-boats of WWII - uboat.net. Retrieved 23 August 2014.