Original indexer listed art credits as Robert Butts but is signed Gustavson.
Art credits verified by Terry Gustafson, son of Paul Gustavson.
Letterer credit courtesy of Terry Gustafson, son of Paul Gustavson.
The Blue Hand and Itoria are obvious stand-ins for the real-life Black Hand and Italy.
Art is heavily inspired by Roy Crane.
Keith Chandler : Moore and Pfeufer were the creators throughout the entire 1935 to 1941 run.