Flash Gordon's Trip to Mars

1938 · Writer

Buck Rogers

1977 · Writer

Buck Rogers

1939 · Writer

The Fighting Marines

1935 · Writer

The Adventures of Rex and Rinty

1935 · Writer

Secret Agent X-9

1937 · Writer

Mars Attacks the World

1938 · Writer

Squadron of Doom

1949 · Writer

Boys' Reformatory

1939 · Writer

Tim Tyler's Luck

1937 · Writer

Flash Gordon: The Deadly Ray From Mars

1966 · Writer

Red Barry

1938 · Writer

Rocket Ship

1938 · Writer

Planet Outlaws

1953 · Writer

Wild West Days

1937 · Writer