| A Smoked Husband | 1908 | Writer |
| After Many Years | 1908 | Writer |
| The Song of the Shirt | 1908 | Writer |
| Mr. Jones Has a Card Party | 1909 | Writer |
| Edgar Allan Poe | 1909 | Writer |
| The Suicide Club | 1909 | Writer |
| Resurrection | 1909 | Writer |
| The Cricket on the Hearth | 1909 | Writer |
| The Violin Maker of Cremona | 1909 | Writer |
| Her First Biscuits | 1909 | Writer |
| The Necklace | 1909 | Writer |
| A Strange Meeting | 1909 | Writer |
| The Sealed Room | 1909 | Writer |
| 1776, or The Hessian Renegades | 1909 | Writer |
| Pippa Passes | 1909 | Writer |
| Fools of Fate | 1909 | Writer |
| A Change of Heart | 1909 | Writer |
| Nursing a Viper | 1909 | Writer |
| The Mountaineer's Honor | 1909 | Writer |
| In the Window Recess | 1909 | Writer |
| The Death Disc: A Story of the Cromwellian Period | 1909 | Writer |
| The Redman's View | 1909 | Writer |
| Le Spéculateur en grains | 1909 | Writer |
| In Little Italy | 1909 | Writer |
| The Honor of His Family | 1910 | Writer |
| Faithful | 1910 | Writer |
| Muggsy's First Sweetheart | 1910 | Writer |
| The Usurer | 1910 | Writer |
| Wilful Peggy | 1910 | Writer |
| A Gold Necklace | 1910 | Writer |
| Simple Charity | 1910 | Writer |
| White Roses | 1910 | Writer |
| Home Folks | 1912 | Writer |
| Man's Genesis | 1912 | Writer |
| Mr. Grouch at the Seashore | 1912 | Writer |
| The Left-Handed Man | 1913 | Writer |
| The Reformers | 1913 | Writer |
| Strongheart | 1914 | Writer |
| Judith of Bethulia | 1914 | Writer |
| Brute Force | 1914 | Writer |
| The Life of General Villa | 1914 | Writer |
| Naissance d'une nation | 1915 | Screenplay |
| Intolérance | 1916 | Writer |
| The Children Pay | 1916 | Writer |
| The Bad Boy | 1917 | Screenplay |
| The Old Homestead | 1922 | Writer |
| Richard the Lion-Hearted | 1923 | Writer |
| Chalk Marks | 1924 | Writer |
