Haldeman - All My Sins Remembered (1976), Attar's Revenge (1973), Cosmic Laughter (1972, 1976), Box: 9, Folder: 4. 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/230225 Accessed May 02, 2024.