Editing

1949

… Editor

1948

… Editor

1930

… Editor

1929

… Editor

1928

… Editor

1925

… Editor

1923

… Editor

1917

… Editor

Directing

1936

… Co-Director

1935

… Second Unit Director

1927		Lightning … Director
1927		The Broken Gate … Director

1926

… Director

1925

… Director

1919

… Director

Production

1931

… Production Assistant

Writing

1917

… Writer