Writing

1983

… Writer

1976

… Screenplay

1975

… Screenplay

1972		State of Siege … Writer … Scenario Writer
1972		The Assassination of Trotsky … Screenplay

1969		Burn! … Story … Screenplay
1969		Tepepa … Screenplay

1968

… Story

1967		The Big Gundown … Story
1967		A Bullet for the General … Writer … Adaptation

1966

… Writer

1965

… Writer

1962		Violent Life … Screenplay
1962		Salvatore Giuliano … Story … Screenplay

1961		Madame … Screenplay … Novel
1961		Vanina Vanini … Writer

1960

… Screenplay

1957		The Love Specialist … Co-Writer
1957		The Wide Blue Road … Screenplay … Novel
1957		Engaged to Death … Writer
1957		The Wind Rose … Screenplay

1955		Beautiful But Dangerous … Screenplay
1955		Giovanna … Writer

1954

… Screenplay

1951

… Screenplay … Story