CORE Grant, Program for a Research Center in Mental Retardation, HD-02528-10, Back from PHS, January 24, 1975, Box: 15, Folder: 3. 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/452591 Accessed June 26, 2024.