Frank C. Clough incoming letters, 1936, 1940-1942, 1944-1947, 1950, 1954-1956, Box: 2, Folder: 27. William Allen White collection, RH MS 929. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/101481 Accessed November 23, 2024.