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SM UB-9 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "SM UB-9" in English language version.

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

uboat.net

  • Helgason, Guðmundur. "WWI U-boats: UB 9". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 19 February 2009.
  • Helgason, Guðmundur. "WWI U-boat commanders: Wilhelm Werner". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 20 March 2009.