Writing

1979

… Story … Screenplay

1976

… Screenplay … Story

1974

… Screenplay … Story

1972

… Screenplay

1970

… Screenplay

1969

… Story

1968

… Screenplay … Story

1967		Death on the Run … Writer
1967		The Dirty Outlaws … Writer
1967		The Crazy Westerners … Screenplay
1967		Io non protesto, io amo … Screenplay

1966		Texas, Adios … Screenplay … Story
1966		The Man Who Laughs … Screenplay
1966		Ringo and His Golden Pistol … Story … Screenplay
1966		Django … Co-Writer

1961

… Screenplay