References
- Glenday, Craig (2010). Guinness World Records 2010. Random House Digital. ISBN 0-553-59337-4.
- Montefiore, Simon Sebag (2005). Stalin: The Court of the Red Tsar. New York: Vintage Books. ISBN 978-1-4000-7678-9.
- Parrish, Michael (1996). The Lesser Terror: Soviet state security, 1939–1953. Westport, CT: Praeger Press. ISBN 0-275-95113-8.
- Rayfield, Donald (2005). Stalin and His Hangmen: The tyrant and those who killed for him. New York: Random House. ISBN 0-375-75771-6.
- Remnick, David (1994). Lenin's Tomb. New York: Vintage Books. ISBN 0-679-75125-4.
- Sanford, George (2005). Katyn and the Soviet Massacre of 1940: Truth, Justice and Memory. Routledge. ISBN 0-415-33873-5.
- Brackman, Roman (2003). The Secret File of Joseph Stalin: A Hidden Life. Routledge. p. 287. ISBN 0-7146-8402-3.
- Cummins, Joseph (2009). The World's Bloodiest History: Massacre, Genocide, and the Scars They Left on Civilization. Fair Winds. pp. 176–7. ISBN 1-59233-402-4.
Read more about this topic: Vasili Blokhin