Jack Schiff now sole editor.
Dick Dillin and Sheldon Moldoff credited for pencils and inks by Bob Klein, Gene Reed, Bob Hughes, and Mike Tiefenbacher. Jim Mooney credited for the art by Craig Delich and Pat Lang.
Letters credit from Todd Klein via his Klein Letters blog (18 September 2016, http://kleinletters.com/Blog/ira-schnapp-in-worlds-finest-comics-part-1/).
Previously appeared in October 1952 issues.
Writer credit from Showcase Presents Green Arrow.