Replay. Nos. 11 (September 1969); 12 (October 1969); 13 (November 1969); 14 (January 1970); 15 (February 1970); 16 (April 1970); 18 (June 1970); 19 (July 1970); 20 (August 1970); 21 (September 1970); 22 (October 1970); 23 (November 1970); 24 (January 1971); 25 (March 1971); 26 (March 1971); 27 (May 1971); 28 (July 1971); 29 (August 1971); 30 (October 1971); 31 (December 1971); 32 (January 1972); 33 (March 1972); 34 (May 1972); 35 (August 1972); 36 (January 1973); 38; 39 (March 1974); 42 (December 1975); 48 (December 1978), 1969-1970, 1970-1973, 1974, 1975, 1978, 1, Box: 65. M. Horvat Science Fiction Fanzines Collection, MsC0791. University of Iowa Special Collections. https://aspace.lib.uiowa.edu/repositories/2/archival_objects/155802 Accessed January 31, 2025.