"Conservation and Peace" by Henry A. Wallace, Secretary of Agriculture before the American Farm Bureau Federation, December 9, 1936

"Conservation and Peace" by Henry A. Wallace, Secretary of Agriculture before the American Farm Bureau Federation, December 9, 1936, Box: 21, Folder: 35. Frank A. Theis papers, RH MS 948. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/60799 Accessed December 25, 2025.