Notes:
Some info verified using a DCM scan (http://digitalcomicmuseum.com/). On sale date from the publication date found at the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 35, 1940, Number 2. Second class permit. Copyright number 448697. Louis H. Silberkleit is recorded as editor on the first published Statement of Ownership for October 1st, 1939. Abner J. Sundell was working as editor for Louis Silberkleit's pulp publications and could have acted as editor on the early M.L.J comic books.