克拉科夫大公國 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "克拉科夫大公國" in Chinese language version.

refsWebsite

Global rank Chinese rank

2books.google.com

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books.google.com

Frederic Austin Ogg: The Governments of Europe, Volume 2, 2009 p. 89
Google Books search: "Grand Duchy of Cracow" used in many English language books.