CORE Grant, 4060-21, Mental Retardation Research Center, Schiefelbusch, HDO2528, January 1-December 31, 1987, Box: 16, Folder: 14. 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/452618 Accessed June 26, 2024.