 Girl with Green Eyes1964 · Patrick Devlin | Patrick Devlin |
 Man from the Black Hills1952 · Writer | Writer |
 Oklahoma Justice1951 · Writer | Writer |
 Stagecoach Driver1951 · Writer | Writer |
 Nevada Badmen1951 · Writer | Writer |
 Prairie Roundup1951 · Writer | Writer |
 Gold Strike1950 · Writer | Writer |
 The Fargo Phantom1950 · Screenplay | Screenplay |
 Coyote Canyon1949 · Writer | Writer |
 Check Your Guns1948 · Screenplay | Screenplay |
 Return of the Lash1947 · Screenplay | Screenplay |
 Lost City of the Jungle1946 · Producer | Producer |
 The Scarlet Horseman1946 · Screenplay | Screenplay |
 The Royal Mounted Rides Again1945 · Screenplay | Screenplay |
 Rustlers' Hideout1945 · Screenplay | Screenplay |
 Secret Agent X-91945 · Screenplay | Screenplay |
 The Master Key1945 · Screenplay | Screenplay |
 Law of the Valley1944 · Screenplay | Screenplay |
 Land of the Outlaws1944 · Screenplay | Screenplay |
 Tucson Raiders1944 · Writer | Writer |
 Valley Of Vengeance1944 · Screenplay | Screenplay |
 Frontier Outlaws1944 · Screenplay | Screenplay |
 Devil Riders1943 · Screenplay | Screenplay |
 Raiders of Red Gap1943 · Screenplay | Screenplay |
 Cattle Stampede1943 · Screenplay | Screenplay |
 Secret Service In Darkest Africa1943 · Writer | Writer |
 Wolves of the Range1943 · Screenplay | Screenplay |
 Death Rides the Plains1943 · Screenplay | Screenplay |
 Daredevils of the West1943 · Screenplay | Screenplay |
 Wild Horse Rustlers1943 · Screenplay | Screenplay |
 G-men vs. the Black Dragon1943 · Screenplay | Screenplay |
 King of the Mounties1942 · Screenplay | Screenplay |
 Border Roundup1942 · Screenplay | Screenplay |
 Perils of Nyoka1942 · Screenplay | Screenplay |
 Spy Smasher1942 · Screenplay | Screenplay |
 Billy the Kid Trapped1942 · Screenplay | Screenplay |
 The Lone Rider Fights Back1941 · Screenplay | Screenplay |
 King of the Texas Rangers1941 · Screenplay | Screenplay |
 Billy the Kid in Santa Fe1941 · Writer | Writer |
 Jungle Girl1941 · Screenplay | Screenplay |
 The Lone Rider in Ghost Town1941 · Screenplay | Screenplay |
 The Lone Rider Rides On1941 · Screenplay | Screenplay |
 Riders of Black Mountain1940 · Screenplay | Screenplay |
 Billy the Kid in Texas1940 · Screenplay | Screenplay |
 While Thousands Cheer1940 · Writer | Writer |
 Gun Code1940 · Screenplay | Screenplay |
 Texas Renegades1940 · Screenplay | Screenplay |
 The Invisible Killer1939 · Screenplay | Screenplay |
