U-30号潜艇 (1913年) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "U-30号潜艇 (1913年)" in Chinese language version.

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archive.org

u-s-history.com

uboat.net

  • Helgason, Guðmundur. WWI U-boats: U 30. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. 
  • Helgason, Guðmundur. Ships hit by U 30. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. [22 December 2014]. 

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