Federal Family and Disability Policy: Special Relevance for Developmental Disabilities, H.R. Turnbull, Stowe, Agosta, A. Turnbull, Schrandt, Muller in Mental Retardation and Developmental Disabilities Research Reviews, Volume 13, Number 2, 2007, Box: 2, Folder: 50. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304936 Accessed June 19, 2025.