Flaming Star

(1960)

Screenplay and Novel

Seven Ways from Sundown

(1960)

Novel and Screenplay

The Comancheros

(1961)

Screenplay

Posse from Hell

(1961)

Screenplay and Novel

The Second Time Around

(1961)

Screenplay

Rio Conchos

(1964)

Screenplay and Novel

Tarzan and the Valley of Gold

(1966)

Screenplay

The War Wagon

(1967)

Screenplay and Novel

Hellfighters

(1968)

Screenplay

100 Rifles

(1969)

Screenplay

Flap

(1970)

Novel and Screenplay

The Deserter

(1970)

Screenplay and Adaptation

Chino

(1973)

Screenplay