Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007]
in Supermann (Semic, 1977 series) #5/1979 (uke 20 1979)
in Superman (Egmont Ehapa, 1966 series) #16/1975 (2. August 1975)
in Supermann (Williams Forlag, 1969 series) #1/1977 ([januar] 1977)
in The Best of DC (DC, 1979 series) #25 (June 1982)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics [May 2008].
Includes a letter from Jim Steranko