God Is My Partner 1957
Writer
All That I Have 1951
Writer
On the Right Side 1949
Writer
Arctic Fury 1949
Screenplay
Purity Squad 1945
Writer
A Gun in His Hand 1945
Screenplay
Dark Mountain 1944
Story
The Girl in the Case 1944
Story
A Tornado in the Saddle 1942
Screenplay
North from the Lone Star 1941
Screenplay
Lone Star Raiders 1940
Story
The Man from Tumbleweeds 1940
Screenplay
Taming of the West 1939
Screenplay
Outpost of the Mounties 1939
Screenplay, Story
Trouble in Sundown 1939
Story
Texas Stampede 1939
Writer
Rio Grande 1938
Screenplay
Colorado Trail 1938
Screenplay
Gangs of New York 1938
Screenplay
Tarzan and the Green Goddess 1938
Screenplay
The Old Barn Dance 1938
Screenplay
Colorado Kid 1937
Screenplay
Outlaws of the Orient 1937
Screenplay
Guns in the Dark 1937
Adaptation, Screenplay
Phantom of Santa Fe 1936
Writer
Tundra 1936
Screenplay
Valley of the Lawless 1936
Story, Screenplay
The Courageous Avenger 1935
Story, Screenplay
Western Courage 1935
Story
The New Adventures of Tarzan 1935
Screenplay
Credits from TMDB.