Hollis, John H., Use of Non-Speech Responses to Teach Communication, HD 07339, KU# 4241, Formerly Carrier's, Submitted, December 22, 1974, Box: 43, Folder: 19. 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/454080 Accessed June 26, 2024.