Ross - Secrets of Sedbury Manor (1972), Secretary in Doubt (1962), The Secret of Mallet Castle (1966), Seven Year Agreement (1981), Box: 18, Folder: 23. 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/230545 Accessed November 23, 2024.