1. "Gulag" - Slavery, Inc. The First Comprehensive, Self-authenticated Docu-map of Forced Labor Camps in Soviet Russia Collection: Persuasive Cartography: The PJ Mode Collection Format: Image Creator: Levine, Isaac Don, 1892-1981 Date: 1947 Posted Date: 2015-08-25
2. Location of Forced-Labor Camps in the Soviet Union: Areas in red indicate groups of camps under the central GULAG control system. Hammer and sickle indicate individual camps under control of local authorities Collection: Persuasive Cartography: The PJ Mode Collection Format: Image Creator: Levine, Isaac Don, 1892-1981 Other Creators: American Federation of Labor, Free Trade Union Committee Date: 1951 Posted Date: 2015-08-25
3. "Gulag" - Slavery, Inc. Collection: Persuasive Cartography: The PJ Mode Collection Format: Image Creator: Levine, Isaac Don, 1892-1981 Other Creators: Free Trade Union Committee, American Federation of Labor Date: 1951 Posted Date: 2015-08-25
