McLean, James, In-service Leadership Training for Speech-Language and Special Education Personnel: Interdisciplinary Approach to Communication Training for Severely Handicapped Non-Verbal Students, October 3, 1980, Box: 50, Folder: 1. 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/455049 Accessed May 22, 2025.