Roman Brackman, The Secret File of Joseph Stalin: A Hidden Life, Taylor & Francis, 2003, 466 pages, p. 139.
Peter H. Solomon, Soviet criminal justice under Stalin, Cambridge University Press, 1996, 494 pages, p. 121-122.
Oleg Kharkhordin, The collective and the individual in Russia: a study of practices, Berkeley, University of California Press, 1999, 406 pages, p. 40, note 12.
Vadim Zakharovich Rogovin, Stalin's terror of 1937-1938: political genocide in the USSR, Oak Park (Michigan), Mehring Books, 2009, 513 pages, p. 97.
