The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1942, New Series, Vol. 37, No. 2.
Winston Wolfe was named after William Winston Woolfolk.
Originally credited "Paul Reinman?", but it is not him. It has some resemblance to Roland Patenaude, but uncertain.
similar to story in SUPERMAN #1
Originally credited "Al Camy?", but not him. It must be Jim Phillips, as the art is very similar to his signed Black Witch stories in Zip Comics #24. Compare the rather short fingers, lines in ears and smiling faces. He is credited on this feature by Jerry Bails' Who's Who.