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| Ano | Nota | Título | Personagem |
|---|---|---|---|
| 1965 | O Império da Vingança | Screenplay | |
| 1964 | He Rides Tall | Screenplay | |
| 1958 | Meu Sangue Por Minha Honra | Screenplay | |
| 1957 | A 20 Milhões de Milhas da Terra | Screenplay | |
| 1957 | Duel at Apache Wells | Writer | |
| 1956 | Marcado Para a Morte | Screenplay | |
| 1952 | Macao | Story | |
| 1951 | Silver City Bonanza | Writer | |
| 1950 | Stage to Tucson | Writer | |
| 1950 | Under Mexicali Stars | Writer | |
| 1950 | The Old Frontier | Writer | |
| 1950 | The Vanishing Westerner | Writer | |
| 1949 | Medindo Forças | Writer | |
| 1949 | Ranger of Cherokee Strip | Screenplay | |
| 1949 | Frontier Investigator | Writer | |
| 1949 | Death Valley Gunfighter | Writer | |
| 1949 | Sheriff of Wichita | Screenplay | |
| 1948 | The Denver Kid | Screenplay | |
| 1948 | Son of God’s Country | Additional Dialogue | |
| 1948 | Desperadoes of Dodge City | Screenplay | |
| 1948 | Marshal of Amarillo | Screenplay | |
| 1948 | The Timber Trail | Screenplay | |
| 1948 | The Bold Frontiersman | Screenplay | |
| 1948 | Oklahoma Badlands | Screenplay | |
| 1947 | Bandits of Dark Canyon | Screenplay | |
| 1947 | Saddle Pals | Screenplay | |
| 1947 | The Adventures of Don Coyote | Story | |
| 1947 | The Adventures of Don Coyote | Screenplay | |
| 1946 | Lawless Breed | Screenplay | |
| 1946 | California Gold Rush | Screenplay | |
| 1945 | Marshal of Laredo | Screenplay | |
| 1945 | Trail to Vengeance | Writer | |
| 1945 | Lone Texas Ranger | Screenplay | |
| 1944 | Lights of Old Santa Fe | Screenplay | |
| 1944 | Bordertown Trail | Screenplay | |
| 1944 | Call of the Rockies | Writer | |
| 1944 | Hidden Valley Outlaws | Screenplay | |
| 1944 | Two-Man Submarine | Story | |
| 1944 | Beneath Western Skies | Screenplay | |
| 1944 | Pride of the Plains | Screenplay | |
| 1943 | Overland Mail Robbery | Screenplay | |
| 1943 | Dead Man's Gulch | Screenplay | |
| 1942 | Ridin' Down the Canyon | Story |