Address delivered at Joint Luncheon of Trans-Missouri-Kansas Shippers Board and Wichita Chamber of Commerce, Wichita Board of Trade, Wichita Traffic Club, June 20, 1934, Box: 21, Folder: 20. Frank A. Theis papers, RH MS 948. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/60784 Accessed July 11, 2025.