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German submarine U-4 (1935) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-4 (1935)" in English language version.

refsWebsite
Global rank English rank
1uboat.net
2,553rd place
1,888th place

uboat.net

  • Helgason, Guðmundur. "Ships hit by U-4". German U-boats of WWII - uboat.net. Retrieved 29 December 2014.