Tray 19 continued: Denmark, Costa Rica, Athens, Rome; Tray 20: Northwest, Phoenix, yard, Summer 1979, Box: 3, Box: Slide Box 9. Personal Papers of Clark Coan, PP 412. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/227963 Accessed May 15, 2024.