German submarine U-39 (1938) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "German submarine U-39 (1938)" in English language version.

refsWebsite

Global rank English rank

2,553^rd place

1,888^th place

low place

hmsfiredrake.co.uk

"U-39 The First U-boat to be Sunk in World War II". HMS Firedrake Page 20. HMS Firedrake.com. Retrieved 3 April 2010.

Helgason, Guðmundur. "The Type IXA boat U-39". German U-boats of WWII - uboat.net. Retrieved 3 April 2010.
Helgason, Guðmundur. "Type IX long range boats". German U-boats of WWII - uboat.net. Retrieved 1 April 2010.
Helgason, Guðmundur. "U-boat losses-1939". German U-boats of WWII - uboat.net. Retrieved 17 February 2015.
Helgason, Guðmundur. "Patrol info for U-39 (First patrol)". German U-boats of WWII - uboat.net. Retrieved 3 April 2010.