1998La vuelta del CoyoteMovieNovel
1976To Die... To Sleep... Perchance to DreamMovieStory
1969Death on High MountainMovieScreenplay
1968Killer AdiosMovieStory · Screenplay
1967The Man Who Killed Billy the KidMovieStory
1964Ride and KillMovieStory
1964The BetrothedMovieScreenplay
1963Heroes of the WestMovieStory · Screenplay
1963El secreto de TomyMovieNovel
1963The Implacable ThreeMovieScreenplay · Story
1963The Sign of the CoyoteMovieCharacters · Novel · Dialogue · Screenplay · Screenstory
1963Son of Hercules vs. MedusaMovieStory
1962The Shadow of ZorroMovieWriter
1956The Coyote's JusticeMovieCharacters
1955The CoyoteMovieCharacters