Carrier, Joe, Use of Non Speech Responses to Teach Communication, HD NS 07339-01, July , 1972, 1972, Box: 8, Folder: 22. 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/452400 Accessed May 12, 2025.