McCauley, Martin
Soviet Union 1917-1991
Longman, 1993
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Pokshishevsky, V.
Geography of the Soviet Union : Physical background, population, economy
Progress, 1974
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Fischer, Louis
The Soviets in World Affairs: A History of the Relations Between the Soviet Union and the Rest of the World 1917-1929
Princeton University Press, 1951
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Lamont, Corliss
Soviet civilization
Philosophical Library, 1952
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Soviet Documents on Foreign policy
Oxford University Press, 1951
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