Guide to Subversive Organizations and Publications (and Appendix), Revised, 1951 May 14, id874, Box: 5, Folder: 25. Gilbert G. Benjamin, Jr. Subversive Activities Collection, URB-GGB. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/35140 Accessed June 25, 2026.