Demonstration Project, Conference Report, Institutional Speech and Hearing Programs for the Mentally Retarded, 1964, Box: 24, Folder: 18. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/452892 Accessed May 23, 2025.