in Superman (Egmont Ehapa, 1966 series) #3/1972 (5.Februar 1972)
in Supermann (Semic, 1977 series) #8/1977 ([juli] 1977)Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007]
in Superman (Egmont Ehapa, 1966 series) #3/1972 (5.Februar 1972)
in Supermann (Semic, 1977 series) #8/1977 ([juli] 1977)
in The Best of DC (DC, 1979 series) #56 (January 1985)letters page
from Superman (DC, 1939 series) #181 (November 1965)
in Superman Supacomic (K. G. Murray, 1959 series) #168 (Circa August 1973)No villain.
from Strange Adventures (DC, 1950 series) #34 (July 1953)