11. "Gulag" - Slavery, Inc. Collection: Persuasive Maps: 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
12. "Gulag" - Slavery, Inc. The First Comprehensive, Self-authenticated Docu-map of Forced Labor Camps in Soviet Russia Collection: Persuasive Maps: PJ Mode Collection Format: Image Creator: Levine, Isaac Don, 1892-1981 Date: 1947 Posted Date: 2015-08-25
13. Map of Concentration Camps in Soviet Russia Collection: Persuasive Maps: PJ Mode Collection Format: Image Creator: Mora, Sylwester (S. Starzewski), ... Date: 1945 Posted Date: 2015-08-25
14. Accident Toll in U.S. Collection: Persuasive Maps: PJ Mode Collection Format: Image Creator: Sundberg, Edwin L. Date: 1946 Posted Date: 2015-08-25