in Showcase Presents Batman (DC, 2006 series) #4 ([July] 2009)Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Gregory Fischer, May 2009).
in Superman Supacomic (K. G. Murray, 1959 series) #127 ([Circa March 1970])
in Showcase Presents Batman (DC, 2006 series) #4 ([July] 2009)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
advertisement for the Captain Action line of toys from Ideal
Information and sample panels of Tarantula from Star-Spangled Comics (DC, 1941 series) #1-19.
Letter of comment from Fred Hembeck, Gordon Flagg, Frank Erwin and Klaus Janson.