K-NEA/NEA -- Correspondence, 1966, 1970-1972, 1975-1976, 1978-1979, 1982, Box: 1, Folder: 23. George and Evelyn Harper papers, RH MS 671. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/277691 Accessed November 23, 2024.