Correspondence between Mayr, Ernst and Peter Ashlock, includes manuscripts, 1973, 1975, 1977-1980, Box: 1, Folder: 67-69. Personal papers of Peter D. Ashlock, PP 515. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/394905 Accessed November 30, 2024.