They Came From Outer Space: 12 Classic Science Fiction Tales That Became Major Motion Pictures, edited by Jim Wynorski. Introduction by Ray Bradbury, Box: 38, Folder: 1. Papers of Theodore Sturgeon, MS 254. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/244442 Accessed May 28, 2024.