Disability and the Family: A Guide to Decisions for Adulthood, H.R. Turnbull, A. Turnbull, Bronicki, Summers, 1989, Box: 1, Folder: 44. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304797 Accessed June 13, 2025.