in The Atomic Knights (DC, 2010 series) #[nn] (April 2010)Inside front cover; published in cooperation with the National Social Welfare Assembly
in From Beyond the Unknown (DC, 1969 series) #3 (February-March 1970)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
in Strange Adventures (DC, 1950 series) #228 (January-February 1971)
in Fantomet (Semic, 1976 series) #24/1987 (uke 47 1987)
in The Atomic Knights (DC, 2010 series) #[nn] (April 2010)Letters submitted by Steve Stern; Doug Storer; Paul Gambaccini; Lee Greathouse; Rosemary Guthrie; James Morrison; Rick Wood
in Strange Adventures (DC, 1950 series) #228 (January-February 1971)
in Fantomet (Semic, 1976 series) #24/1987 (uke 47 1987)
in The Atomic Knights (DC, 2010 series) #[nn] (April 2010)