Girardeau, Frederic L., Mental Retardation, 2205/1898-4, HD00183-04, July 1, 1969-June 30, 1970, Box: 32, 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/453748 Accessed June 26, 2024.