| Empty Hearts | 1924 | Writer |
| The Lawful Cheater | 1925 | Writer |
| Love on the Rio Grande | 1925 | Writer |
| The Fighting Cub | 1925 | Writer |
| Free to Love | 1925 | Writer |
| The Cowboy and the Countess | 1926 | Writer |
| The Test of Donald Norton | 1926 | Writer |
| Bare Knees | 1928 | Writer |
| Queen of the Chorus | 1928 | Screenplay |
| Midnight Life | 1928 | Writer |
| The River Woman | 1928 | Writer |
| Times Square | 1929 | Writer |
| Extravagance | 1930 | Screenplay |
| Freighters of Destiny | 1931 | Writer |
| Forgotten Women | 1931 | Screenplay |
| Ghost Valley | 1932 | Screenplay |
| A Man's Land | 1932 | Writer |
| Le fantome de la mine | 1932 | Screenplay |
| The Iron Master | 1933 | Screenplay |
| Cheaters | 1934 | Screenplay |
| Beggar's Holiday | 1934 | Writer |
| The Moonstone | 1934 | Screenplay |
| The Keeper of the Bees | 1935 | Writer |
| Powdersmoke Range | 1935 | Screenplay |
| Hi, Gaucho! | 1935 | Screenplay |
| Circus Girl | 1937 | Screenplay |
| Michael O'Halloran | 1937 | Screenplay |
| La Fiancée du Cheikh | 1937 | Screenplay |
| The Duke Comes Back | 1937 | Screenplay |
| Arizona Bound | 1941 | Screenplay |
| The Gunman From Bodie | 1941 | Writer |
| Forbidden Trails | 1941 | Screenplay |
| Below the Border | 1942 | Writer |
| Ghost Town Law | 1942 | Writer |
| Down Texas Way | 1942 | Writer |
| Riders of the West | 1942 | Screenplay |
| West of the Law | 1942 | Screenplay |
| Dawn on the Great Divide | 1942 | Screenplay |
| The Ghost Rider | 1943 | Screenplay |
| The Stranger From Pecos | 1943 | Screenplay |
| Six Gun Gospel | 1943 | Screenplay |
| Outlaws of Stampede Pass | 1943 | Screenplay |
| Raiders of the Border | 1944 | Screenplay |
| Stranger from Santa Fe | 1945 | Screenplay |
| Bad Men of the Border | 1945 | Screenplay |
| Flame of the West | 1945 | Screenplay |
| La Diligence Attaquée | 1945 | Screenplay |
| Frontier Feud | 1945 | Screenplay |
| Drifting Along | 1946 | Writer |
| Wild Beauty | 1946 | Writer |
| Shadows on the Range | 1946 | Writer |
| Overland Trails | 1948 | Screenplay |
| Crossed Trails | 1948 | Screenplay |
| The Valiant Hombre | 1948 | Screenplay |
| Crashing Thru | 1949 | Screenplay |
| Shadows of the West | 1949 | Screenplay |
| Streets of San Francisco | 1949 | Writer |
| A l'ouest de l'Eldorado | 1949 | Screenplay |
| Haunted Trails | 1949 | Screenplay |
| Western Renegades | 1949 | Screenplay |
| Riders of the Dusk | 1949 | Screenplay |
| Range Land | 1949 | Screenplay |
| West of Wyoming | 1950 | Screenplay |
| Gunslingers | 1950 | Screenplay |
| Jiggs and Maggie Out West | 1950 | Screenplay |
| Six Gun Mesa | 1950 | Screenplay |
| Arizona Territory | 1950 | Screenplay |
| Overland Telegraph | 1951 | Screenplay |
| Born to the Saddle | 1953 | Screenplay |
| Cow Country | 1953 | Screenplay |
| La Femme au fouet | 1958 | Screenplay |
