Notes:
copyright 1938, 1939 by NEA Service, Inc.; 1928 by Bell Syndicate, Inc.; 1938, 1939 by Publishers Syndicate, Inc.; 1940 by R. S. Callender; 1940 by Ellery Queen; 1940 by Edgar Rice Burroughs, Inc.; 1940 by Famous Artists Syndicate. Distributed by American News Company.
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1940, New Series, Vol. 35, No. 3.