Address by Frank A. Theis before Foreign Trade Conference, Houston Chamber of Commerce: The Future Outlook for Wheat Exports, May 22, 1935, Box: 21, Folder: 24. Frank A. Theis papers, RH MS 948. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/60788 Accessed July 08, 2025.