Detective Story Magazine [Vol. CXX No. 2, July 19, 1930] (Street & Smith Publications, Inc., 15¢, pulp, cover by John A. Coughlin)
Details supplied by Al Tonik.
Detective Story Magazine [Vol. CXX No. 5, August 9, 1930] (Street & Smith Publications, Inc., 15¢, pulp)
Details supplied by Rob Preston from Table of Contents.