NIDRR Program Revue: Research and Training Center on Improving the Functioning of Families Who Have Members with Disabilities [2], 1996, Box: 3, Volume: 1. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305685 Accessed June 16, 2025.