Question: Which publication has run longest, Signs of the Times or Space Science Fiction?
Sentence (from "Selected Stories of Philip K. Dick"): Many of the stories had originally appeared in the magazines "Planet Stories", "Fantasy and Science Fiction", "Imagination", "Space Science Fiction", "Astounding", "Beyond Fantasy Fiction", "Orbit", "Galaxy Science Fiction", "Fantastic Universe", "Amazing Stories", "Rolling Stone College Papers", "Omni" and "Playboy".
Relevant evidence: No