Jones, Michael, Exploratory Behavior of the Profoundly Multi-Handicapped, December 18, 1985, Box: 45, Folder: 4. 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/454146 Accessed June 26, 2024.