Laumer - A Plague of Demons (1979), Retief (1977), Planet Run (1976), Night of the Troll (1963), End as a Hero (1963), Thunderhead (1967), Worldmaster (1965), The Undefeated (1969), Box: 12, Folder: 17. 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/230353 Accessed May 03, 2024.