U-33号潜艇 (1914年) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "U-33号潜艇 (1914年)" in Chinese language version.

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3web.archive.org

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1^st place

2,553^rd place

4,064^th place

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4^th place

1southernlife.org.uk

low place

low place

7,670^th place

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archive.org

The War on hospital ships, from the narratives of eye-witnesses (1917) 1917. London : T. Fisher Unwin. : 1. - Call number: SRLF_UCLA:LAGE-3563453
Herzog，第89頁. Herzog, Bodo. Deutsche U-Boote 1906–1966. Erlangen: Karl Müller Verlag. 1993. ISBN 3-86070-036-7.

nytimes.com

timesmachine.nytimes.com

Sinking of Portugal branded as piracy (PDF). The New York Times. 1916-04-05 [2019-09-07]. （原始内容存档 (PDF)于2021-07-02）.

southernlife.org.uk

Charles Fryatt. Southern Life. [4 December 2009]. （原始内容存档于6 October 2008）.

uboat.net

Helgason, Guðmundur. WWI U-boats: U 33. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. [29 August 2009].
Helgason, Guðmundur. Ships hit by U 33. German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. [16 December 2014].

web.archive.org

Charles Fryatt. Southern Life. [4 December 2009]. （原始内容存档于6 October 2008）.
The Great Eastern Railway Magazine, September 1916, p218-26. [2021-06-25]. （原始内容存档于2013-12-24）.
Sinking of Portugal branded as piracy (PDF). The New York Times. 1916-04-05 [2019-09-07]. （原始内容存档 (PDF)于2021-07-02）.

york.ac.uk

The Great Eastern Railway Magazine, September 1916, p218-26. [2021-06-25]. （原始内容存档于2013-12-24）.