Подробную библиографию этих публикаций см.: Books on Communism and the Communist Countries/ A selected bibliography edited by P.H.Vigor. Ampersand LTD. London. 1971. Part 1. Studies of Communism in general and in the USSR. Section 25. Forced Labour and Personal Experiences of Prisons and Concentration Camps in the USSR. P. 202–208.