in Läderlappen (Williams Förlags AB, 1969 series) #6/1974 ([1974-06-dd]) [[Usa, 1973]], #6/1974 ([1974-06-dd]) [[Usa, 1973]]
in Superman (Egmont Ehapa, 1966 series) #18/1973 (1. September 1973)
in Lynvingen (Williams Forlag, 1969 series) #5/1974 ([mai] 1974)
in Läderlappen (Williams Förlags AB, 1969 series) #6/1974 ([1974-06-dd]) [[Usa, 1973]]Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [July 2007]
in Superman (Egmont Ehapa, 1966 series) #9/1973 (28. April 1973)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Letters of comment from Mike Flynn, Bob Rozakis, Mark Lucke and Paul Edwards.