"Beet - Sugar: A Study of Government Assistance with Emphasis upon Labor Problems in Colorado Beet Fields" by Joseph E. Youngkamp, 1964, Box: 7, Folder: 30. Personal Papers of George L. Anderson, PP 375. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/191848 Accessed May 19, 2024.