in Lynvingen (Williams Forlag, 1969 series) #3/1973 ([mai ?] 1973)Cover art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics.
in Superman Supacomic (K. G. Murray, 1959 series) #164 (Circa April 1973)
in Lynvingen (Williams Forlag, 1969 series) #3/1973 ([mai ?] 1973)
in Batman Extra (Egmont Ehapa, 1980 series) #2 (1980)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 (April 2007).
Letters of comment from Illona Arywitz, John Mazurek, Bob Rozakis, James T. McCoy, Gail Burt and Gerard Triano.