This book by a well known Russian historian is devoted two issues in the history of the Eastern Slavs of the 6th to 10th centuries: slavery and the collection of tribute. Includes name index and bibliographic references. Other books by I. Froianov: Drevniaia Rus": Opyt Issledovaniia Istorii Sotsial"noi i Politicheskoi Bor"by (009399), Miatezhnyi Novgorod (009540).