第一次世界大战中的大西洋潜艇战 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "第一次世界大战中的大西洋潜艇战" in Chinese language version.

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archive.org

Messimer, Dwight R. Verschollen: World War I U-boat Losses. Naval Institute Press. 2002: 34. ISBN 9781557504753.
Stead, W. T. The Americanization of the World. Horace Markley. 1901: 348–349.