Bibliography
- Conquest, Robert: The Great Terror: A Reassessment, Oxford University Press, May 1990, hardcover, ISBN 0-19-505580-2; trade paperback, Oxford, September, 1991, ISBN 0-19-507132-8
- Getman, Nikolai: The Gulag Collection: Paintings of the Soviet Penal System, The Jamestown Foundation, 2001, 131 p., ISBN 0-9675009-1-5
- Solzhenitsyn, Aleksandr Isayevich, The Gulag Archipelago, Harper & Row, 660 pp., ISBN 0-06-080332-0.
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