Chapter 9: Legal Developments: Through and Beyond the History of the Developmentally Disabled, H.R. Turnbull and Chapter 10: Legal Issues: Legal Advocacy for the DD Citizen, Pascal and H.R. Turnbull in Advocacy: A Role for DD Councils, 1975, Box: 1, Folder: 133. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304886 Accessed June 14, 2025.