Credits for this issue based upon Alberto Becattini's "Disney Index - Dell Comic Books" Vols. 1 and 2 (Italy, 1992 and 1994).
Art submitted on May 26, 1959. Barks caricatured himself on a wanted poster on page 13 of this story. Quote from Barks: "I did the drawings and a did a great deal of rewriting and polishing on the dialogue of the script, which was sent to me by the office."--June 9, 1968, letter to Michael Barrier. Notes and synopsis by Michael Barrier from "Carl Barks and the Art of the Comic Book" (M. Lilien, 1982).