Wallman - Correspondence and royalty (1988-[19]90) - Montezuma's Revenge (1985), Lone Star (1984 1985, 1990, 1989, 1988, 1986), The Gilded Lily (1985), The Judas Cross (n[o] d[ate]), Triangle (n[o] d[ate]), Supertanker (1975), Box: 23, Folder: 35. 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/230741 Accessed May 09, 2024.