in Strange Adventures (DC, 1950 series) #232 (September-October 1971)
in All Star Adventure Comic (K. G. Murray, 1959 series) #76 ([August 1972] ?)Cover story.
in From Beyond the Unknown (DC, 1969 series) #10 (April-May 1971)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
in From Beyond the Unknown (DC, 1969 series) #20 (December 1972-January 1973)
in GrĂ¼ne Laterne (BSV - Williams, 1975 series) #5 (Februar 1976)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).