 Bullwhip1958 · Screenplay | Screenplay |
 Cow Country1953 · Screenplay | Screenplay |
 Born to the Saddle1953 · Screenplay | Screenplay |
 Overland Telegraph1951 · Screenplay | Screenplay |
 Arizona Territory1950 · Screenplay | Screenplay |
 Six Gun Mesa1950 · Screenplay | Screenplay |
 Jiggs and Maggie Out West1950 · Screenplay | Screenplay |
 Gunslingers1950 · Screenplay | Screenplay |
 West of Wyoming1950 · Screenplay | Screenplay |
 Range Land1949 · Screenplay | Screenplay |
 Riders of the Dusk1949 · Screenplay | Screenplay |
 Western Renegades1949 · Screenplay | Screenplay |
 Haunted Trails1949 · Screenplay | Screenplay |
 West of El Dorado1949 · Screenplay | Screenplay |
| SStreets of San Francisco1949 · Writer | Writer |
 Shadows of the West1949 · Screenplay | Screenplay |
 Crashing Thru1949 · Screenplay | Screenplay |
 The Valiant Hombre1948 · Screenplay | Screenplay |
 Crossed Trails1948 · Screenplay | Screenplay |
 Overland Trails1948 · Screenplay | Screenplay |
 Shadows on the Range1946 · Writer | Writer |
 Wild Beauty1946 · Writer | Writer |
 Drifting Along1946 · Writer | Writer |
 Frontier Feud1945 · Screenplay | Screenplay |
 The Lost Trail1945 · Screenplay | Screenplay |
 Flame of the West1945 · Screenplay | Screenplay |
 Bad Men of the Border1945 · Screenplay | Screenplay |
 Stranger from Santa Fe1945 · Screenplay | Screenplay |
 Raiders of the Border1944 · Screenplay | Screenplay |
 Outlaws of Stampede Pass1943 · Screenplay | Screenplay |
 Six Gun Gospel1943 · Screenplay | Screenplay |
 The Stranger From Pecos1943 · Screenplay | Screenplay |
 The Ghost Rider1943 · Screenplay | Screenplay |
 Dawn on the Great Divide1942 · Screenplay | Screenplay |
 West of the Law1942 · Screenplay | Screenplay |
 Riders of the West1942 · Screenplay | Screenplay |
 Down Texas Way1942 · Writer | Writer |
 Ghost Town Law1942 · Writer | Writer |
 Below the Border1942 · Writer | Writer |
 Forbidden Trails1941 · Screenplay | Screenplay |
 The Gunman From Bodie1941 · Writer | Writer |
 Arizona Bound1941 · Screenplay | Screenplay |
 The Duke Comes Back1937 · Screenplay | Screenplay |
 The Sheik Steps Out1937 · Screenplay | Screenplay |
 Michael O'Halloran1937 · Screenplay | Screenplay |
 Circus Girl1937 · Screenplay | Screenplay |
 Hi, Gaucho!1935 · Screenplay | Screenplay |
 Powdersmoke Range1935 · Screenplay | Screenplay |
 The Keeper of the Bees1935 · Writer | Writer |
 The Moonstone1934 · Screenplay | Screenplay |
 Beggar's Holiday1934 · Writer | Writer |
 When Strangers Meet1934 · Writer | Writer |
 Marrying Widows1934 · Writer | Writer |
 Cheaters1934 · Screenplay | Screenplay |
 The Iron Master1933 · Screenplay | Screenplay |
 Haunted Gold1932 · Screenplay | Screenplay |
 A Man's Land1932 · Writer | Writer |
 Ghost Valley1932 · Screenplay | Screenplay |
 Forgotten Women1931 · Screenplay | Screenplay |
 Freighters of Destiny1931 · Writer | Writer |
 Extravagance1930 · Screenplay | Screenplay |
 Times Square1929 · Writer | Writer |
 The River Woman1928 · Writer | Writer |
| MMidnight Life1928 · Writer | Writer |
 Queen of the Chorus1928 · Screenplay | Screenplay |
 Bare Knees1928 · Writer | Writer |
 Broadway After Midnight1927 · Writer | Writer |
| TThe Test of Donald Norton1926 · Writer | Writer |
 The Cowboy and the Countess1926 · Writer | Writer |
 Free to Love1925 · Writer | Writer |
 That Man Jack!1925 · Writer | Writer |
| TThe Fighting Cub1925 · Writer | Writer |
 Love on the Rio Grande1925 · Writer | Writer |
 The Lawful Cheater1925 · Writer | Writer |
 The Bloodhound1925 · Writer | Writer |
 Empty Hearts1924 · Writer | Writer |
