Fulton and McLean, Systematic Procedures for Speech and Audiology, MH 18200-01, Submitted, June 30, 1969, Box: 31, Folder: 1. 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/453707 Accessed June 26, 2024.