Bryant - Correspondence (1980) - Cinnabar (1979), Rosel Brown - Waters of Centaurus (1966), Sibyl Sue Blue (1965), Box: 3, Folder: 5. 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/230046 Accessed May 16, 2024.