第一次ブルガリア帝国 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "第一次ブルガリア帝国" in Japanese language version.

refsWebsite
Global rank Japanese rank
3rd place
61st place
104th place
207th place

books.google.com

  • Sedlar, Jean W. (2011). East Central Europe in the Middle Ages, 1000–1500. University of Washington Press. p. 424. ISBN 9780295800646. https://books.google.com/books?id=ANdbpi1WAIQC&pg=PA424 
  • Fletcher, Richard A. (1999). The Barbarian Conversion: from Paganism to Christianity. University of California Press. p. 338. ISBN 0-520-21859-0. https://books.google.com/books?id=RB5aWgr7l-gC&pg=PA338 
  • Adrados, Francisco Rodríguez (2005). A History of the Greek Language: from its Origins to the Present. BRILL. p. 265. ISBN 90-04-12835-2. https://books.google.com/books?id=Kx_NjXiMZM0C&pg=PA265 

unesco.org

whc.unesco.org