Drehbuchautor bei
| 2010 | Flicka 2 - Freunde fürs Leben | ||
| 2006 | Flicka - Freiheit. Freundschaft. Abenteuer. | ||
| 1948 | Green Grass of Wyoming | ||
| 1945 | Thunderhead - Son of Flicka | ||
| 1943 | Flicka | ||
| 1923 | Black Oxen | ||
| 1923 | Merry-Go-Round | ||
| 1922 | The Prisoner of Zenda | ||
| 1922 | Peg o' My Heart |