Deinstitutionalization and the Law, H.R. Turnbull and A. Turnbull in Mental Retardation, April 1975, Box: 14, Folder: 64. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305354 Accessed June 13, 2025.