Anti-Defamation League collaboration with the Federal Bureau of Investigation, 1974, 1979, 1985, 1987-1989, Box: 31, Folder: 12. Laird M. Wilcox Papers, RH WL MS 1. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/379009 Accessed November 23, 2024.