Pangborn - Davy (undated, 1964, 1965, 1975-1977, 1988); Davy and A Mirror for Observers (1970), Box: 16, Folder: 20. Corporate Papers of the Robert Mills Literary Agency, MS 307. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/322014 Accessed May 19, 2024.