Biomedical Sciences, 4712-5706-2, John Hollis, Programming Mini Language for Non-speech children, Use of Non-speech Responses to Teach Communication, November 1, 1977-October 31, 1978, Box: 4, Folder: 9. 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/452339 Accessed July 14, 2025.