Serhii Bilokin'. Masovyi teror iak zasib derzhavnoho upravlinnia v SRSR 1917 – 1941: Dzhereloznavche doslidzhennia. – Drohobych: Kolo, 2013. – Vol. 2. – 1066 p. - S. I. Kot (Ukrainian archeographic year book, 2013)