Due to cut in story pages, now only two features per issue, so Green Arrow and Aquaman begin alternating.
On-sale date from ad in Blackhawk #185 and copyright registration.
Art credits from Bob Klein, Gene Reed, Mike Tiefenbacher, and Bob Hughes. Craig Delich and Pat Lang credit Jim Mooney as the artist. 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/).
Inside front cover. Previously in August 1962 issues.
On the page immediately preceding page 9 of the previous story sequence.
Writer credit from Showcase Presents Green Arrow.