Kapan Gulag didirikan?
Gulag
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Anne Applebaum, Gulag: A History, Broadway Books, 2003, hardcover, 720 hlm., ISBN 0-7679-0056-1.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Stephane Courtois, The Black Book of Communism: Crimes, Terror, Repression, Harvard University Press, 1999, 858 hlm., ISBN 0-674-07608-7.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. J. Arch Getty, Oleg V. Naumov, The Road to Terror: Stalin dan the Self-Destruction of the Bolsheviks, 1932-1939, Yale University Press, 1999, 635 hlm., ISBN 0-300-07772-6.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Gustaw Herling, A World Apart: Imprisonment in a Soviet Labor Kamp During Perang DuniaII, Penguin, 1996, 284 hlm., ISBN 0-14-025184-7.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Paul Gregory, Valery Lazarev, peny., The Ekonomis of Forced Labour: The Soviet Gulag, Stanford: Hoover Institution Press, 2003, teks lengkap tersedia di 
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Oleg V. Khlevniuk, The History of the Gulag: From Collectivisasi to the Great Terror, Yale University Press, 2004, sampul tebal, 464 hlm., ISBN 0-300-09284-9.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Tomasz Kizny, Gulag: Life dan Death Inside the Soviet Concentration Kamp-kamp 1917-1990, Firefly Books Ltd., 2004, 496 hlm., ISBN 1-55297-964-4.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Jacques Rossi, The Gulag Handbook: An Encyclopedia Dictionary of Soviet Penitentiary Institutions dan Terms Related to the Forced Labour Kamp-kamp, 1989, ISBN 1-55778-024-2.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Varlam Shalamov, Kolyma Tales, Penguin Books, 1995, 528 hlm., ISBN 0-14-018695-6.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Aleksandr Isayevich Solzhenitsyn, The Gulag Archipelago, Harper & Row, 660 hlm., ISBN 0-06-080332-0.
Transclusion error: {{En}} is only for use in File namespace. Use {{lang-en}} or {{en icon}} instead. Aleksandr Isayevich Solzhenitsyn, The Gulag Archipelago: Two, Harper & Row, 712 hlm., ISBN 0-06-080345-2.
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