Rosenfeld, Bio-Med Grant: Analysis of Videotaped Behavior, September 1, 1982-July 31, 1983, October 1, 1982, Box: 69, Folder: 22. 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/455654 Accessed May 21, 2025.