in Superboy (DC, 1949 series) #165 (May-June 1970)
in 80 Page Giant (DC, 1964 series) #G71 (May-June 1970)
in Superman (Egmont Ehapa, 1966 series) #26/1970 (26.Dezember 1970)
in Superman (DC, 1939 series) #212 (December 1968)
in 80 Page Giant (DC, 1964 series) #G54 (December 1968)
in Superboy (Williams Forlag, 1969 series) #5/1971 ([september ?] 1971)
in Adventure Comics (DC, 1938 series) #343 (April 1966)
in Superman Supacomic (K. G. Murray, 1959 series) #84 (Circa August 1966)
in Superboy (Se-Bladene, 1967 series) #6/1967 ([juni] 1967)
in The Best of DC (DC, 1979 series) #15 (August 1981)Script credit provided by Allen Ross (January 3, 2006) from an autographed copy of Superboy (1949 series) #90. Previously, script credited to Robert Bernstein. O'Hearn and Hughes both agree the script is by Bernstein.