Laumer - The Time Bender (1965), Retief (1970), The Negotiators (1975), Planet Run (1965, 1980), The Swedish Adventure (1969), Box: 12, Folder: 13. 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/230349 Accessed November 23, 2024.