Heffner, Henry, Behavioral Analysis of the role of the Auditory Cortex, KU# 4351-08, 2RO1 NS-12992-09, December 1, 1983-September 8, 1985, Box: 42, Folder: 5. 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/454029 Accessed May 22, 2025.