Correspondence -- Incoming, 1955, 1964, 1966, 1968-1971, 1975, 1980-1982, Box: 1, Folder: 9. George and Evelyn Harper papers, RH MS 671. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/277676 Accessed November 23, 2024.