Signed book, “The Anarchist Colossus,” by A. E. van Vogt, Great Britain edition, Sidgwick and Jackson, 1978, Box: 2, Folder: 13. Papers of A. E. van Vogt, MS 322. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/176625 Accessed April 26, 2024.