All Gustavson credits verified and courtesy of Terry Gustafson, son of Paul Gustavson.
Writer revision from "Joe Devlin" (presumably a typo for "John Devlin") to ? by Craig Delich 2013-4-7. The Who's Who does not indicate that John Devlin wrote this strip. Artist revision from Joe Devlin to Bernard Dibble, who took over as artist (not writer) of the strip in 1943 from John Devlin.