This cover had been previously credited to George Roussos by DC and Joe Giella and/or Jack Abel by art spotters. Giella denied having inked the cover in a correspondence with Bryan Stroud and Abel inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2008).
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007). Jim Shooter credit added 6/1/08 from an interview with Jim Shooter by the Silver Age Sage
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