Copyright © 1965 by National Periodical Publications, Inc.
in Adventure Comics (DC, 1938 series) #416 (March 1972)
in DC 100-Page Super Spectacular (DC, 1971 series) #DC-10 (March 1972)Inside front cover; published in cooperation with the National Social Welfare Assembly.
in Superman Supacomic (K. G. Murray, 1959 series) #77 (Circa January 1966)Letters of comment by Cary Bates, Gary Lee, Skipper Lee, Arthur Newmark, Mal-Lee Smittle and Dan Solla.
in Adventure Comics (DC, 1938 series) #416 (March 1972)
in DC 100-Page Super Spectacular (DC, 1971 series) #DC-10 (March 1972)
in The Best of DC (DC, 1979 series) #38 (July 1983)Includes Superman Secret Message (Code Saturn No. 5).