Communications Disorders, Revised HD 00870, Tab: Program Project Original Proposal, Submitted, February 28, 1963, Box: 13, Folder: 22. 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/452557 Accessed June 17, 2024.