Leo Margulies Corp., 1967.
Volume 1, April, Number 3
Contains 'The burning air affair' by Robert Hart Davis, and 'The cunning cashier' by Arthur Porges.
Davis Publications, Inc., 1971.
Volume 57, February, Number 327
Contains 'A study in surmise' by Michael Harrison, and 'Gideon and the pigeon' by J. J. Marric.