 Sword of Lancelot1963 · Writer | Writer |
 Gun Fight1961 · Screenplay | Screenplay |
 Five Guns to Tombstone1961 · Screenplay | Screenplay |
 Gun Brothers1956 · Screenplay | Screenplay |
 Top Gun1955 · Screenplay | Screenplay |
 The Lone Gun1954 · Screenplay | Screenplay |
 The Steel Lady1953 · Screenplay | Screenplay |
 The Bandits of Corsica1953 · Writer | Writer |
 Cripple Creek1952 · Screenplay | Screenplay |
 Indian Uprising1952 · Screenplay | Screenplay |
 The Texas Rangers1951 · Screenplay | Screenplay |
 Lorna Doone1951 · Screenplay | Screenplay |
 Kim1950 · Screenplay | Screenplay |
 The Iroquois Trail1950 · Screenplay | Screenplay |
 Davy Crockett, Indian Scout1950 · Screenplay | Screenplay |
 Black Magic1949 · Screenplay | Screenplay |
 The Black Arrow1948 · Screenplay | Screenplay |
 The Devil Is a Sissy1936 · Screenplay | Screenplay |
 Dangerous Waters1936 · Screenplay | Screenplay |
 The Winning Ticket1935 · Screenplay | Screenplay |
 The Meanest Gal in Town1934 · Writer | Writer |
 Cocktail Hour1933 · Screenplay | Screenplay |
 Night World1932 · Screenplay | Screenplay |
 The Impatient Maiden1932 · Screenplay | Screenplay |
 Private Lives1931 · Screenplay | Screenplay |
 Casanova Against His Will1931 · Writer | Writer |
 The Spirit of Notre Dame1931 · Screenplay | Screenplay |
 Buster se marie1931 · Writer | Writer |
 Dance, Fools, Dance1931 · Screenplay | Screenplay |
 Trader Horn1931 · Screenplay | Screenplay |
 Forward, March!1930 · Writer | Writer |
 Men of the North1930 · Writer | Writer |
 Doughboys1930 · Writer | Writer |
 Estrellados1930 · Writer | Writer |
 Wild Orchids1929 · Screenplay | Screenplay |
 The Flying Fleet1929 · Screenplay | Screenplay |
 Honeymoon1928 · Writer | Writer |
 The Actress1928 · Writer | Writer |
 Across to Singapore1928 · Writer | Writer |
| CCircus Rookies1928 · Writer | Writer |
 The Law of the Range1928 · Writer | Writer |
 Tell It to the Marines1926 · Screenplay | Screenplay |
 The Terror1926 · Writer | Writer |
 The Frontier Trail1926 · Screenplay | Screenplay |
 The Unknown Soldier1926 · Writer | Writer |
 The Seventh Bandit1926 · Writer | Writer |
 Rustlers' Ranch1926 · Writer | Writer |
 The Calgary Stampede1925 · Writer | Writer |
| TThe Man in Blue1925 · Writer | Writer |
 Beauty and the Bad Man1925 · Writer | Writer |
 The Hurricane Kid1925 · Writer | Writer |
 The Ridin' Kid from Powder River1924 · Writer | Writer |
 Silk Stocking Sal1924 · Writer | Writer |
| TThe Dangerous Flirt1924 · Screenplay | Screenplay |
 The Sawdust Trail1924 · Writer | Writer |
 Hook and Ladder1924 · Writer | Writer |
 The Victor1923 · Writer | Writer |
 My Dad1922 · Writer | Writer |
 The Man Of The Forest1921 · Writer | Writer |
 Black Roses1921 · Writer | Writer |
 The Killer1921 · Writer | Writer |
 An Arabian Knight1920 · Writer | Writer |
 Li Ting Lang1920 · Writer | Writer |
 The Brand of Lopez1920 · Writer | Writer |
 The Beggar Prince1920 · Writer | Writer |
 The Cup of Fury1920 · Writer | Writer |
 Brothers Divided1919 · Writer | Writer |
 The Illustrious Prince1919 · Writer | Writer |
 Flame of the Desert1919 · Writer | Writer |
