Day, Robert M., Kansas Self-Injurious Behavior Project, #4210, 4415, Correspondence File, 1983 - 1988, Box: 22, Folder: 16. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/452849 Accessed May 24, 2025.