1271 год (Russian Wikipedia)

Analysis of information sources in references of the Wikipedia article "1271 год" in Russian language version.

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1books.google.com

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books.google.com

Amitai R. Edward of England and Abagha Ilkhan: A reexamination of a failed attempt at Mongol-Frankish cooperation // Tolerance and Intolerance: Social Conflict in the Age of the Crusades. — Syracuse University Press, 2001. — С. 75—82. — ISBN 978-0-8156-2869-9.

google.ru

books.google.ru

A History of the Crusades: The Impact of the Crusades on the Near East. — University of Wisconsin Press, 1985. — P. 355. — 624 p. — (Cambridge Medieval Textbooks Series). — ISBN 0299091449.
Richard J. The Crusades: C.1071-c.1291. — Cambridge: Cambridge University Press, 1999. — P. 419. — 516 p. — (Cambridge Medieval Textbooks Series). — ISBN 0521625661.