German submarine U-156 (1941) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-156 (1941)" in English language version.

refsWebsite

Global rank English rank

2,553^rd place

1,888^th place

1bajanthings.com

low place

low place

bajanthings.com

"SS Quaker City. Torpedoed 18th May 1942. The story of John Heller". bajanthings.com. 14 August 2018. Retrieved 22 February 2021.

uboat.net

Helgason, Guðmundur. "Ships hit by U-156". German U-boats of WWII – uboat.net. Retrieved 7 December 2014.