Chapter 14: Parents, Disabled Children, and Defederalization: Life on the Razor's Edge of Public Selfishness, H.R. Turnbull in Parent-Professional Partnerships in Developmental Disability Services, 1983, Box: 1, Folder: 78. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304831 Accessed June 13, 2025.