Diedrich, Training Speech Clinicians in the Recording and Analysis of Articulatory Behavior, OEG-0-9-261293-3406 (031), Summary Report, December, 1973, Box: 25, 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/452918 Accessed July 16, 2025.