SM U-106 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "SM U-106" in English language version.

refsWebsite

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2,553^rd place

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5,452^nd place

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38^th place

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naval-history.net

"Marine vindt Duitse U-boot uit WO-I" (in Dutch). 16 March 2011. Retrieved 16 March 2011.

Helgason, Guðmundur. "WWI U-boat commanders: Hans Hufnagel". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 26 January 2015.
Helgason, Guðmundur. "WWI U-boats: U 106". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 25 January 2010.
Helgason, Guðmundur. "Ships hit by U 106". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 26 January 2015.