Communications Disorders, Revised HD 00870, Tab: Program Project Addendum to Original Proposal, Submitted, April 11, 1963, Box: 13, Folder: 23. 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/452558 Accessed December 02, 2024.