北緯51度線 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "北緯51度線" in Chinese language version.

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4web.archive.org

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2timeanddate.com

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1,964^th place

2books.google.com

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books.google.com

United States, Bering Sea Tribunal of Arbitration. Fur-seal Arbitration: The Case of the United States before the Tribunal of Arbitration to convene at Paris under the provisions of the treaty between the United States of America and Great Britain, concluded February 29, 1892. 美國政府出版局. 1892: 14 [2016-07-16]. OCLC 68198841. （原始内容存档于2016-05-07）.
Haycox, Stephen W. Alaska: An American Colony. University of Washington Press. 2002: 1118–1122 [2016-07-16]. ISBN 978-0-295-98249-6. （原始内容存档于2016-05-17）.

nosracines.ca

Begg, Alexander. Review of the Alaska Boundary Question. Unknown. nosracines.ca: 1–2. 1900 [12 December 2014]. ^{[永久失效連結]}

timeanddate.com

Sunrise and sunset times in Erfurt, June 2016. [2016-07-15]. （原始内容存档于2017-01-11）（英语）.
Sunrise and sunset times in Erfurt, December 2016. [2016-07-15]. （原始内容存档于2017-01-11）（英语）.

web.archive.org

Sunrise and sunset times in Erfurt, June 2016. [2016-07-15]. （原始内容存档于2017-01-11）（英语）.
Sunrise and sunset times in Erfurt, December 2016. [2016-07-15]. （原始内容存档于2017-01-11）（英语）.
United States, Bering Sea Tribunal of Arbitration. Fur-seal Arbitration: The Case of the United States before the Tribunal of Arbitration to convene at Paris under the provisions of the treaty between the United States of America and Great Britain, concluded February 29, 1892. 美國政府出版局. 1892: 14 [2016-07-16]. OCLC 68198841. （原始内容存档于2016-05-07）.
Haycox, Stephen W. Alaska: An American Colony. University of Washington Press. 2002: 1118–1122 [2016-07-16]. ISBN 978-0-295-98249-6. （原始内容存档于2016-05-17）.

worldcat.org

United States, Bering Sea Tribunal of Arbitration. Fur-seal Arbitration: The Case of the United States before the Tribunal of Arbitration to convene at Paris under the provisions of the treaty between the United States of America and Great Britain, concluded February 29, 1892. 美國政府出版局. 1892: 14 [2016-07-16]. OCLC 68198841. （原始内容存档于2016-05-07）.