Fainsod, Merle
How Russia is Ruled
Harvard University Press, 1956
 Buku Teks
Lieberman, Jethrok
The evolving constitution how the supreme court has ruled on issues from abortion to zoning
Random House, 1992
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Salisbury, Harrison E.
Russia
Atheneum, 1965
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Skrine, Francis Henry, 1847-1933
The expansion of Russia
Cambridge University Press, 2013
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Vernadsky, George
The origins of Russia
At The Clarendon Press, 1959
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