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  Muscovy and the Mongols: Cross-Cultural Influences on the Steppe Frontier ... - Donald Ostrowski - Google Books

  https://books.google.de/books?id=6st6ZUFvfdYC&pg=PA315&lpg=PA315&dq=%22Vologda-Perm+Chronicle%22&source=bl&ots=ioJAV7ETi5&sig=um

  The importance of the Mongols' impact on the Rus lands has been recognised by many scholars, but its precise nature and extent is very contentious. While diverse opinions exist on the origins and development of Muscovy, the author argues that no society…

• 

  Muscovy and the Mongols: Cross-Cultural Influences on the Steppe Frontier ... - Donald Ostrowski - Google Books

  https://books.google.de/books?id=6st6ZUFvfdYC&pg=PA314#v=onepage&q&f=false

  The importance of the Mongols' impact on the Rus lands has been recognised by many scholars, but its precise nature and extent is very contentious. While diverse opinions exist on the origins and development of Muscovy, the author argues that no society…

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