Adventures of Captain Marvel

1941 · Writer

Adventures of Captain Marvel

1941 · Writer

Winning of the West

1953 · Writer

The Missouri Traveler

1958 · Writer

Drums of Fu Manchu

1940 · Writer

The Young Land

1959 · Writer

Flash Gordon's Trip to Mars

1938 · Writer

The Three Musketeers

1933 · Writer

Gene Autry and the Mounties

1951 · Writer

Buck Rogers

1977 · Writer

Whirlwind

1951 · Writer

Buck Rogers

1939 · Writer

Spy Smasher

1942 · Writer

Hawk of the Wilderness

1938 · Writer

Brimstone

1949 · Writer

King of the Royal Mounted

1940 · Writer

Border Caballero

1936 · Writer

Secret Agent X-9

1937 · Writer

Wall Street Cowboy

1939 · Writer

Drums of Fu Manchu

1943 · Writer

Outlaws of Pine Ridge

1942 · Writer

Daredevils of the Clouds

1948 · Writer

The Man from the Rio Grande

1943 · Writer

King of the Texas Rangers

1941 · Writer

Unmasked

1950 · Writer

Montana Belle

1952 · Writer

Boys' Reformatory

1939 · Writer

Dead Man's Gulch

1943 · Writer

Adventures of Red Ryder

1940 · Writer

Days of Old Cheyenne

1943 · Writer

Sheriff of Las Vegas

1944 · Writer

Squadron of Doom

1949 · Writer

Night Stage to Galveston

1952 · Writer

Law of the Golden West

1949 · Writer

Beyond the Purple Hills

1950 · Writer

Bordertown Gun Fighters

1943 · Writer

Vigilantes of Dodge City

1944 · Writer

Planet Outlaws

1953 · Writer

The Legion of Missing Men

1937 · Writer

Mars Attacks the World

1938 · Writer

Sundown in Santa Fe

1948 · Writer

Last Days of Boot Hill

1947 · Writer

Blazing Across the Pecos

1948 · Writer

Tim Tyler's Luck

1937 · Writer

Red Barry

1938 · Writer

Buckaroo from Powder River

1947 · Writer

Mysterious Doctor Satan

1940 · Writer

Thundering Trails

1943 · Writer

Frontier Pony Express

1939 · Writer

Texans Never Cry

1951 · Writer

Indian Territory

1950 · Writer

Death Valley Manhunt

1943 · Writer

Outlaws of Santa Fe

1944 · Writer

The Whispering Shadow

1933 · Writer

Rose of the Yukon

1949 · Writer

Pack Train

1953 · Writer

Flash Gordon: The Deadly Ray From Mars

1966 · Writer

Apache Country

1952 · Writer

Perils of Nyoka

1942 · Writer

Sheriff of Sundown

1944 · Writer

San Antone Ambush

1949 · Writer

Red River Renegades

1946 · Writer

Fugitive from Sonora

1943 · Writer

Mojave Firebrand

1944 · Writer

South of Rio

1949 · Writer

Rio Grande Raiders

1946 · Writer

Rocket Ship

1938 · Writer

Slippy McGee

1948 · Writer

The Topeka Terror

1945 · Writer

Stagecoach to Monterey

1944 · Writer

Carson City Cyclone

1943 · Writer

Black Hills Express

1943 · Writer

The Sundown Kid

1942 · Writer

Jungle Girl

1941 · Writer

San Antonio Kid

1944 · Writer

Corpus Christi Bandits

1945 · Writer

Wild West Days

1937 · Writer

Blue Montana Skies

1939 · Writer

California Joe

1943 · Writer

The Sombrero Kid

1942 · Writer

Whirlwind Raiders

1948 · Writer