Frederick II, Duke of Austria (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frederick II, Duke of Austria" in English language version.

refsWebsite

Global rank English rank

1books.google.com

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3^rd place

books.google.com

Angold 2011, p. 53. Angold, Michael (2011). "The Latin Empire of Constantinople, 1204–1261: Marriage Strategies". Identities and Allegiances in the Eastern Mediterranean after 1204. Farnham: Ashgate Publishing Limited. pp. 47–68. ISBN 978-1409410980.