E.A. Park correspondence 1921-1968, 1921 - 1968

E.A. Park correspondence 1921-1968, 1921 - 1968, Box: 3, Folder: 92. Personal Papers of Elmer V. McCollum, PP 120. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/188972 Accessed December 25, 2025.