Bova - Many Worlds of Sci-Fi (1969), Man Changes the Weather (1970), In Quest of the Quasars (1967), Box: 2, Folder: 68. 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/230035 Accessed May 24, 2024.