Ben Bova - As On a Darkling Plain (1970), Amazing Lasers (1970), Edwin Booth - Rebel's Return (1980), Box: 2, Folder: 63. 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/229610 Accessed May 05, 2024.