1. Hannah Arendt, The Origins of Totalitarianism, (New York: Harvest, 1966).
  2. Hannah Arendt, Eichmann in Jerusalem: A Report on the Banality of Evil (1963; New York, 1994).
  3. Zbigniew Brzeziński, The Collapse of Communism, (Hoover Institution, 2000).
  4. Alexander Dolgun, Alexander Dolgun’s Story: An American in the Gulag, New York: Knopf, 1975.
  5. Angela Ebert and Murray J. Dyck, The experience of mental death: The core feature of complex posttraumatic stress disorder, In: Clinical Psych. Rev. 24 (2004), pp. 617–635.
  6. Igal Halfin, Stalinist Confessions, (University of Pittsburgh Press, 2009)
  7. Judith L. Herman, Trauma and Recovery: The Aftermath of Violence: from Domestic Abuse to Political Terror, (New York: Basic Books, 1992).
  8. Stanisław Mackiewicz, Myśl w Obcęgach (Russian Minds in Fetters, London: George Allen and Unwin, 1932).
  9. Erich Mielke, Richtlinie Nr. 1/76 zur Entwicklung und Bearbeitung Operativer Vorgaenge, Ministerium fuer Staatsicherheit der Deutsche Demokratische Republik, 1976.
  10. J. V. Stalin, Leninism, (London: George Allen & Unwin, 1933).