Harrison - The Astounding-Analog Reader (1967), SF [Science Fiction]: Author's Choice #2 (1968), Best of (1974), Best Sci-Fi Stories of the Year (1967), Box: 9, Folder: 29. 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/230246 Accessed November 23, 2024.