Animal Rights, Animal Cruelty, Friends of Animals, Correspondence, Mailer, 1976-1979, id107334, Box: 18, Folder: 11. Zero Population Growth of Los Angeles, Inc. Collection, URB-ZPG. Special Collections & Archives. https://findingaids.csun.edu/repositories/2/archival_objects/73568 Accessed June 16, 2026.