 Oklahoma Blues1948 · Screenplay | Screenplay |
 King of the Bandits1947 · Screenplay | Screenplay |
 Ridin' Down the Trail1947 · Screenplay, Producer | Screenplay, Producer |
 Robin Hood of Monterey1947 · Screenplay | Screenplay |
 Hoppy's Holiday1947 · Screenplay | Screenplay |
 Six-Gun Serenade1947 · Screenplay | Screenplay |
 Frontier Gunlaw1946 · Screenplay | Screenplay |
 Lawless Empire1945 · Screenplay | Screenplay |
 Santa Fe Saddlemates1945 · Screenplay | Screenplay |
 Beyond the Pecos1945 · Screenplay | Screenplay |
 Sheriff of Cimarron1945 · Screenplay | Screenplay |
 Trail to Gunsight1944 · Screenplay | Screenplay |
 Riders of the Deadline1943 · Screenplay | Screenplay |
 False Colors1943 · Screenplay | Screenplay |
 Sagebrush Law1943 · Screenplay | Screenplay |
 Red River Robin Hood1942 · Screenplay | Screenplay |
 Bandit Ranger1942 · Screenplay | Screenplay |
 Man from Montana1941 · Screenplay | Screenplay |
 Desert Bandit1941 · Screenplay | Screenplay |
 Wyoming Wildcat1941 · Screenplay | Screenplay |
 Frontier Vengeance1940 · Screenplay | Screenplay |
 One Man's Law1940 · Screenplay | Screenplay |
 Wild Horse Range1940 · Writer | Writer |
 Ghost Valley Raiders1940 · Screenplay | Screenplay |
 Pioneer Days1940 · Screenplay | Screenplay |
 Riders of Black River1939 · Screenplay | Screenplay |
 Western Caravans1939 · Writer | Writer |
 North of the Yukon1939 · Writer | Writer |
 West of the Santa Fe1938 · Screenplay | Screenplay |
 South of Arizona1938 · Screenplay | Screenplay |
 Female Fugitive1938 · Screenplay | Screenplay |
 Raw Timber1937 · Screenplay | Screenplay |
 The Law Commands1937 · Screenplay | Screenplay |
 Melody of the Plains1937 · Screenplay | Screenplay |
 The Border Patrolman1936 · Screenplay | Screenplay |
| WWilderness Mail1935 · Screenplay | Screenplay |
 The New Adventures of Tarzan1935 · Screenplay | Screenplay |
 Mystery Mountain1934 · Screenplay | Screenplay |
 Rainbow Riders1934 · Screenplay, Director | Screenplay, Director |
 The Three Musketeers1933 · Screenplay | Screenplay |
 Come on Danger!1932 · Writer | Writer |
 Texas Gun Fighter1932 · Writer | Writer |
 The Sunset Trail1932 · Writer | Writer |
 Law of the Rio Grande1931 · Writer | Writer |
 West of Cheyenne1931 · Writer | Writer |
 The Phantom of the West1930 · Screenplay | Screenplay |
 Bar-L Ranch1930 · Writer | Writer |
 Sons of the Saddle1930 · Screenplay | Screenplay |
