Language-article for the 5th vol. of Mental Retardation

Language-article for the 5th vol. of Mental Retardation, Box: 1, Folder: 23. Personal Papers of Richard Schiefelbusch, PP 458. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/266091 Accessed December 25, 2025.