Bertha Muzzy Sinclair
| Occupation | Writer |
|---|---|
| Born | November 15, 1871 (152) |
| Born place | Cleveland, Michigan, USA |
| Movie Credits | 18 |
| Best filmography |
|---|
| The Last of Her Tribe (1912) |
| When the Cook Fell Ill (1914) |
| Chip of the Flying U (1914) |
| Curlew Corliss (1916) |
| A Modern Knight (1916) |
| North of Fifty-Three (1917) |
| The Galloping Devil (1920) |
| The Wolverine (1921) |
| The Taming of the West (1925) |
| The Flying U Ranch (1927) |