Dickson - Mission to Universe (1964), Mutants (1969), Naked to the Stars (1961, 1963, 1970), Box: 5, 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/230139 Accessed November 23, 2024.