Kornbluth - Gravy Planet (1952), Space Merchants (1974, 1980), Shark Ship (1971), Search the Sky (1984), Before the Universe, Critical Mass, Gladiator-at-law, Wolfbane, Search for the Sky, Box: 11, Folder: 49. 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/230331 Accessed May 19, 2024.