Knight - Three Novels (1966, 1973), Four Fantastic Ones (1964), Tomorrow X [times] Four (1964), 13 French Scientific Stories (1969), A Shocking Thing (1971), The Sun Saboteurs (1963), Box: 11, 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/230301 Accessed November 23, 2024.