SF Encyclopedia Picture Gallery
V T Hamlin. Alley Oop: Daily Strips from June 21, 1947 to August 30, 1948 (Princeton, Wisconsin: Kitchen Sink Press, 1991) [coll: graph: title given as Alley Oop: Mystery of the Sphinx on copyright page and as The Sphinx and Alley Oop on cover: Alley Oop: hb/V T Hamlin]
Image courtesy of Clute Science Fiction Library at Telluride