Correspondence between Kormilev, Nicholas A. and Peter Ashlock, 1957-1958, 1960, 1965-1967, Box: 4, Folder: 46. Personal papers of Peter D. Ashlock, PP 515. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/395107 Accessed May 09, 2024.