Diedrich, Training Speech Clinicians in the Recording and Analysis of Articulatory Behavior, OEG-009-261293-3406 (031), Grant Year 2 Summary Report, Submitted, December 1, 1971, Box: 25, Folder: 5. 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/452914 Accessed May 15, 2025.