http://pec.lib.wvu.edu/record/P87121920-1921Everybody's magazine.Serial. Printed Ephemera Collection has: v.43:no.4 (1920:Oct.), v.44:no.6 (1921:June). Issue for Oct. 1920 includes article with title: The Expert detective, a story, by Melville Davisson Post; issue for June 1921 includes article with title: The "Mysterious stranger" defense. A Mystery story, by Melville Davisson Post.14256