References
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- Lenin , V..I. 1963 . “Letter to G. M. Krzhizhanovskiy,” . In Polnoye sobraniye sochineniy
- Lenin , V..I. 1963 . “Report on concessions in RKP(b) faction to Congress of Soviets, 21 December 1926,” . In Polnoye sobraniye sochineniy
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