 | Sakima and the Masked Marvel
Screenplay |
 | Purple Death from Outer Space
Writer |
 | Spaceship to the Unknown
Writer |
 | Zombies of Mora Tau
Story |
 | Blazing the Overland Trail
Screenplay |
| | Blazing the Overland Trail
Story |
 | Perils of the Wilderness
Story |
| | Perils of the Wilderness
Screenplay |
 | Jungle Safari
Screenplay |
 | Devil Goddess
Writer |
 | Adventures of Captain Africa
Screenplay |
| | Adventures of Captain Africa
Story |
 | Riding with Buffalo Bill
Story |
| | Riding with Buffalo Bill
Screenplay |
 | Gunfighters of the Northwest
Screenplay |
| | Gunfighters of the Northwest
Story |
 | The Great Adventures of Captain Kidd
Screenplay |
 | The Lost Planet
Screenplay |
 | Son of Geronimo
Story |
| | Son of Geronimo
Screenplay |
 | Blackhawk
Writer |
 | King of the Congo
Screenplay |
 | Mysterious Island
Screenplay |
 | Roar of the Iron Horse
Screenplay |
 | Pirates of the High Seas
Writer |
 | Atom Man vs. Superman
Screenplay |
 | Cody of the Pony Express
Story |
 | The Adventures of Sir Galahad
Screenplay |
 | The Phantom Creeps
Screenplay |
 | Batman and Robin
Screenplay |
 | Bruce Gentry
Screenplay |
 | Congo Bill
Screenplay |
 | Superman
Screenplay |
 | Tex Granger: Midnight Rider of the Plains
Story |
 | The Sea Hound
Screenplay |
 | Last of the Redmen
Screenplay |
 | The Vigilante: Fighting Hero of the West
Screenplay |
 | Jack Armstrong
Story |
 | Betty Co-Ed
Screenplay |
 | Son of the Guardsman
Screenplay |
 | Chick Carter, Detective
Screenplay |
 | Hop Harrigan: America's Ace of the Airways
Screenplay |
 | Jungle Raiders
Screenplay |
 | Gangster's Den
Story |
| | Gangster's Den
Screenplay |
 | Trouble Chasers
Screenplay |
 | The Master Key
Screenplay |
 | Brenda Starr, Reporter
Writer |
 | Jungle Queen
Writer |
 | The Great Alaskan Mystery
Screenplay |
 | The Masked Marvel
Screenplay |
 | Adventures of the Flying Cadets
Screenplay |
 | Don Winslow of the Coast Guard
Screenplay |
 | Junior G-Men of the Air
Screenplay |
 | Gang Busters
Screenplay |
 | Holt Of The Secret Service
Screenplay |
 | The Iron Claw
Screenplay |
 | Riders of Death Valley
Screenplay |
 | The Spider Returns
Writer |
 | Billy The Kid's Fighting Pals
Story |
| | Billy The Kid's Fighting Pals
Screenplay |
 | Outlaws of the Rio Grande
Screenplay |
 | The Green Hornet Strikes Again!
Screenplay |
 | Pride of the Bowery
Screenplay |
 | Junior G-Men
Writer |
 | Trailing Double Trouble
Story |
 | Dead End Kids vs. Spies, Inc.
Writer |
 | Deadwood Dick
Screenplay |
 | Winners of the West
Screenplay |
 | Flash Gordon Conquers the Universe
Screenplay |
 | The Green Hornet
Screenplay |
 | The Oregon Trail
Screenplay |
 | Mesquite Buckaroo
Story |
 | Texas Wildcats
Story |
| | Texas Wildcats
Screenplay |
 | Smoky Trails
Story |
| | Smoky Trails
Screenplay |
 | Scouts to the Rescue
Screenplay |
 | Feud of the Range
Story |
 | Trigger Pals
Writer |
 | The Phantom Creeps
Screenplay |
 | The Spider's Web
Screenplay |
 | Durango Valley Raiders
Screenplay |
 | Paroled from the Big House
Writer |
 | Flaming Frontiers
Screenplay |
 | Songs and Bullets
Story |
| | Songs and Bullets
Screenplay |
 | Whirlwind Horseman
Screenplay |
 | The Feud Maker
Screenplay |
 | Thunder in the Desert
Story |
| | Thunder in the Desert
Screenplay |
 | Rocket Ship
Screenplay |
 | The Rangers' Round-Up
Writer |
 | Paroled - To Die
Screenplay |
 | Arizona Gunfighter
Screenplay |
 | Boothill Brigade
Writer |
 | The Red Rope
Adaptation |
 | Doomed at Sundown
Screenplay |
 | A Lawman Is Born
Writer |
 | Gun Lords of Stirrup Basin
Screenplay |
 | The Trusted Outlaw
Screenplay |
 | Bar-Z Bad Men
Adaptation |
 | Trail of Vengeance
Adaptation |
 | The Gambling Terror
Story |
| | The Gambling Terror
Adaptation |
 | The Gun Ranger
Adaptation |
 | Cavalry
Adaptation |
 | The Idaho Kid
Screenplay |
 | The Crooked Trail
Story |
| | The Crooked Trail
Screenplay |
 | The Phantom Rider
Screenplay |
 | Flash Gordon
Screenplay |
 | Stormy
Writer |
 | The Roaring West
Writer |
 | Rustlers of Red Dog
Screenplay |
 | The Red Rider
Screenplay |
 | Pirate Treasure
Screenplay |
 | Perils of Pauline
Screenplay |
 | Gordon of Ghost City
Adaptation |
 | Tarzan the Fearless
Writer |
 | The Phantom of the Air
Screenplay |
 | The Devil Horse
Writer |
 | The Last Frontier
Screenplay |
 | Love Bound
Continuity |
 | The One Way Trail
Screenplay |
 | Born to the Saddle
Story |
 | The Harvest of Hate
Writer |
 | Hoofbeats of Vengeance
Screenplay |
 | Burning the Wind
Writer |
 | The Vanishing Rider
Writer |
 | Hard Fists
Writer |
 | Blazing Days
Writer |
| | Fighting Spirit
Scenario Writer |
 | The Stolen Ranch
Writer |
 | Martin of the Mounted
Writer |
 | Perils of the Yukon
Writer |
| | Never Let Go
Story |
 | The Deputy's Double Cross
Writer |
 | Man Trackers
Writer |
 | The Wild Wild West
Scenario Writer |
| | Double Crossers
Story |
 | Who Was the Man?
Story |
 | That Girl Montana
Writer |
 | The Adventure Shop
Scenario Writer |
 | The Home Trail
Scenario Writer |
 | The Wild Strain
Scenario Writer |
 | The Alibi
Scenario Writer |
 | The Shop Girl
Writer |
