Wallman - Correspondence (1976-[19]78) - Judas Cross (1978), Blockbuster (1976), Breakout in Angola (1977), I'll Take My Stand (1976), Jamaica (1976, 1977), The Purgatory Novel Series (1976), Box: 23, Folder: 32. 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/230738 Accessed May 08, 2024.