Ross - Ravenhurst (1979, 1980), Return to Barton (1977), Rothby (1975), Satan's Island (1974), Box: 18, Folder: 18. 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/230540 Accessed November 23, 2024.