Correspondence between Lattin, Jack D. and Peter Ashlock, 1951, 1953-1955, 1957-1963, 1966-1968, 1972, Box: 4, Folder: 50. Personal papers of Peter D. Ashlock, PP 515. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/395111 Accessed May 09, 2024.