in Showcase Presents: The Spectre (DC, 2012 series) #1 ([April] 2012)Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Gregory Fischer, May 2009).
in Adventure Comics (DC, 1938 series) #501 (July 1983)
in Showcase Presents: The Spectre (DC, 2012 series) #1 ([April] 2012)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics [May 2008].
Letters credit from Mark Evanier via the GCD Error Tracker.
Located between pages 8 and 9 of Sequence 1.
Info from Ted Watson, 8/9/2006.
in Superman Presents Tip Top Comic Monthly (K. G. Murray, 1965 series) #52 (circa 1969-1971)
in Justice League of America (DC, 1960 series) #91 (August 1971)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics [May 2008].
Letters credit from Mark Evanier via the GCD Error Tracker.
Info from Ted Watson, 8/9/2006.