BLUE BOLT, Vol. 1, No. 4, September 1940, published monthly by Novelty Press, Inc., P. O. Box 1198, Philadelphia, Pa., editorial offices, 292 Madison Avenue, New York 11, N. Y.
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 1.