McLean, James, Utilization of Innovative Practices in Communication Treatment for Students with Severe Handicaps, KU# 6790, Correspondence, 1990 - 1993, Box: 49a, Folder: 28. 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/454330 Accessed June 26, 2024.