アレクサンドル・ベンケンドルフ
Ronald Hingley, The Russian Secret Police: Muscovite, Imperial, and Soviet Political Security Operations (Simon & Schuster, New York, 1970). ISBN 0671208861
R. J. Stove, The Unsleeping Eye: Secret Police and Their Victims (Encounter Books, San Francisco, 2003). ISBN 189355466X