Diedrich, Training Speech Clinicians in the Recording and Analysis of Articulatory Behavior, 2460-2, OEG-0-71-1689 (603), September 1, 1972-August 31, 1973, Box: 25, Folder: 11. 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/452920 Accessed May 15, 2025.