(en) Geoffrey A. Hosking, Emeritus Professor of Russian History Geoffrey Hosking, The First Socialist Society : A History of the Soviet Union from Within, Harvard University Press, , 570 p. (ISBN978-0-674-30443-7, lire en ligne), p. 134
jstor.org
(en) Temira Pachmuss, « Coming to Terms with the Soviet Regime: The Changing Landmarks Movement among Russian Émigrés in the Early 1920s », The International History Review, vol. 18, no 1, , p. 186-188 (lire en ligne)