Center Training, HD-07066-01, Girardeau, Fred, Mental Retardation and Other Disabilities, now HD 07066-01, formerly HE 00183, back from PHS, December 23, 1975, Box: 11, Folder: 35. 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/452503 Accessed July 15, 2025.