Records and papers of Sphere magazine, a science fiction fan magazine published in Cantonment, Florida. Includes issues of the magazine, 1956-1959, and correspondence files with writers, subscribers and science fiction fans, 1958, 1960, 1966. Includes letters of Brian W. Aldiss and Leslyn MacDonald Macabee concerning their writing and comments on John W. Campbell, Robert A. Heinlein, Ray Bradbury, and others.
