Spector, Ivar
An introduction to Russian history and culture
Van Nostrand Reinhold, 1949
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Riasanovsky, Nicholas V.
A history of Russia
Oxford University Press, 1963
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Rothstein, Andrew
A history of the USSR
Penguin Books , 1950
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An introduction to Vygotsky
edited by Harry Daniels
Routledge, 2005
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Rauch, Georg von
A history of Soviet Russia
Frederick A. Preager , 1957
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