Children's Attitudes Toward Physically Handicapped Peers and Intervention Approaches for Attitude Change, Westervelt and A. Turnbull in Journal of the American Physical Therapy Association, Volume 60, Number 7, July 1980, Box: 1, Folder: 98. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304851 Accessed June 23, 2025.