See also
* Membership of the Communist Party of the Soviet UnionReferences
* ''EH Carr The interregnum Harmondsworth 1969, p361.'' * Hatch, J. (1989). The "Lenin Levy" and the Social Origins of Stalinism: Workers and the Communist Party in Moscow, 1921-1928. Slavic Review, 48(4), 558-577. doi:10.2307/2499783.