Daniels, Robert V
Is Russia reformable?: Change and resistance from Stalin to Gorbachev
Westview Press, 1988
 Buku Teks SO
Deutscher, Isaac
The Unifinished revolution Russia 1917-1967
Oxford University Press, 1967
 Buku Teks SO
The Soviet system in crisis
edited by Alexander Dalllin, Gail W. Lapidus
Westview press, 1991
 Buku Teks SO
Brezhnev, L. I.
Following Lenin's course: speeches and articles (1972-1975)
Progress, 1975
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Zetkin, Klara
My Recollections of Lenin
Foreign Languages Publishing House, 1956
 Buku Teks SO