Fulton, Robert T., Systematic Procedures for Speech and Audiology, September 1, 1970, Box: 31, Folder: 2. 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/453708 Accessed June 26, 2024.