Schroeder, S. R., Madison, Wisconsin, Abbeduto, February 10-11, 2000, Box: 2, Folder: 43. 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/450934 Accessed May 21, 2025.