John Jakes - Gallows Planet (1974), Best of (1976), Brak the Barbarian (1976), I, Barbarian (1976), Second Shepherds Play (1973), Box: 10, Folder: 27. 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/229737 Accessed May 02, 2024.