Extent of Subversion in "New Left," Testimony of Charles Siragusa and Ronald L. Brooks, Part 4, 1970 June 10, id979, Box: 8, Folder: 16. Gilbert G. Benjamin, Jr. Subversive Activities Collection, URB-GGB. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/35008 Accessed June 04, 2026.