อ้างอิง ของ นีโคไล เยจอฟ

  1. ↑ Ministers of Internal Affairs. Ministry of the Russian Federation. accessed 17 July 2017
  2. ↑ Sebag-Montefiore, Simon Stalin: The Court of the Red Tsar, chapter 21.
  3. ↑ Service (2009), chapter 11.
  4. ↑ Marc Jansen and Nikita Petrov, Stalin's Loyal Executioner: People's Commissar Nikolai Ezhov, 1895-1940 (Hoover Institution Press, 2002: ISBN 0-8179-2902-9), p. 210.