Fulton, Robert, T. and McLean, James, Systematic Procedures for Speech and Audiology, 1 RO1 HD-05088-03, Progress Report, October 6, 1972, Box: 31, Folder: 8. 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/453714 Accessed June 26, 2024.