Dixon, Lois, Conditional Stimulus Control over Choice Responding, HD-#5RO1-11194-02, 4732-2, $46,448.00, September 1, 1978-August 31, 1979, Box: 25, Folder: 21. 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/452930 Accessed July 09, 2025.