Schiefelbusch, R. L, Rough Draft, January-June 1968, 1968, Box: 11B, Folder: 6. 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/175998 Accessed June 17, 2024.