Writing
Count Dracula
1970 · Screenplay
The Italian Connection
1972 · Screenplay
Fort Yuma Gold
1966 · Screenplay
Wanted
1967 · Screenplay
No, the Case Is Happily Resolved
1973 · Writer
Sugar Colt
Emmanuelle on Taboo Island
1976 · Writer
Deaf Smith & Johnny Ears
Black Jack
1968 · Writer
Yellow: The Cousins
1969 · Screenplay
Colt in the Hand of the Devil
Halleluja for Django
1967 · Story
Who's Afraid of Zorro
1975 · Screenplay
In the Name of the Father
Gunman Sent by God
1968 · Story
Cry of Death
1968 · Screenplay
One Dollar Too Many
