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Wikipedia: Vladimir Lenin
A detailed article on the life of Vladimir Lenin. Discusses his life before becoming the leader of the Soviet Union, his political accomplishments as a leader and his death.
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Russian Life: Nikita S. Khrushchev
Russian Life offers this article that analyzes Khrushchev and his de-Stalinization policies during the 1950s and 1960s.
Wikimedia
Wikipedia: Stalinism
A description of policies enacted in the Soviet Union prior to World War II by dictator Joseph Stalin.