Fujiki, M., Language Skills of Elderly Persons with Mental Retardation (P)H133C00108, KU# 4985-01, Correspondence, 1990 - 1991, Box: 30, Folder: 9. 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/453689 Accessed June 26, 2024.