Legal Planning For Financial Care of Children and Adults with Mental Retardation: A Future-Planning Guide for Families, H.R. Turnbull and A. Turnbull et al, May 1986, Box: 9, Folder: 37. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305184 Accessed June 14, 2025.