USDA/FAS, Summary of speech by E.I. Bell at district meetings of agricultural field workers, January 25-29, 1953, Box: 26, Folder: 6. Frank A. Theis papers, RH MS 948. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/61017 Accessed July 15, 2025.