Heffner, Henry, Behavioral Analysis of the role of the Auditory Cortex, KU# 4351-10, NS-12992, September 1, 1986-May 31, 1987, Box: 42, Folder: 10. 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/454034 Accessed May 16, 2025.