Core Grant, MRRC, KU # 4060, Miscellaneous, Mental Retardation Research Centers Report, Fiscal Year 1970, Sent to Mike Begab, January 8, 1971, Box: 18B, Folder: 38. 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/452756 Accessed May 20, 2025.