in From Beyond the Unknown (DC, 1969 series) #9 (February-March 1971) [altered]Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008)
in From Beyond the Unknown (DC, 1969 series) #9 (February-March 1971)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
in Century, The 100 Page Comic Monthly (K. G. Murray, 1956 series) #15 ([August 1957] ?)Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008)
in The Flash (DC, 1959 series) #176 (February 1968)
in Lynet (Se-Bladene, 1967 series) #11/1968 ([november] 1968)Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008)
Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 January 2008)