[Correspondence - fan letters, L-5 Society mailers and The Colonist newsletters, correspondence to and from Theodore and Jayne Sturgeon], 1964 - 1981, Box: 26, Folder: 23-32. Papers of Theodore Sturgeon, MS 303. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/192645 Accessed June 15, 2024.