in Supermann (Williams Forlag, 1969 series) #5/1975 ([mai] 1975)
in Superman (Egmont Ehapa, 1966 series) #12/1975 (7. Juni 1975)Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007]
Color credits provided by Anthony Tollin.
in Supermann (Williams Forlag, 1969 series) #5/1975 ([mai] 1975)
in Superman (Egmont Ehapa, 1966 series) #12/1975 (7. Juni 1975)Captain Strong, Olivia Tallow and Carnox are modelled after Popeye, Olive Oyl and Bluto.
in Atom (Egmont Ehapa, 1979 series) #1 (1979)Part 2. Story continued from Action Comics (DC, 1938 series) #438. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.