German submarine U-107 (1940) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-107 (1940)" in English language version.

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uboat.net

Helgason, Guðmundur. "The Type IXB boat U-107". German U-boats of WWII - uboat.net. Retrieved 22 February 2010.
Helgason, Guðmundur. "Ships hit by U-107". German U-boats of WWII - uboat.net. Retrieved 3 October 2014.

worldcat.org

search.worldcat.org

Landers, Brian. "Caught on the Surface". Aeroplane (April 2012). Cudham: Kelsey Publishing: 16–22. ISSN 0143-7240.