Art submitted on September 3, 1960. Barks only did the art on the cover, the idea was from someone else.
Art submitted on April 17 1961. First appearance of Magica de Spell and first story in which the Old Number One Dime is identified by that name. Synopsis from "Carl Barks and the Art of the Comic Book" by Michael Barrier (M. Lilien, 1981).
Art submitted on May 3, 1961. Synopsis from "Carl Barks and the Art of the Comic Book" by Michael Barrier (M. Lilien, 1981).
Art submitted on May 3, 1961. Synopsis from "Carl Barks and the Art of the Comic Book" by Michael Barrier (M. Lilien, 1981).