Terminal Elevator Grain Merchants Association, Annual meetings, Broadmoor Hotel, Colorado Springs, Colorado, April 16-19, 1964, Box: 17, Folder: 3. Frank A. Theis papers, RH MS 948. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/60694 Accessed May 17, 2024.