Diedrich, Training Speech Clinicians in the Recording and Analysis of Articulatory Behavior, 2460-2, OEG-0-71-1689 (603), Grant Award, 1972, Box: 25, Folder: 13. 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/452922 Accessed May 17, 2025.