• No Sweets (1913, story)
• The Lion's Bride (1913, writer)
• Brandon's Last Ride (1914, scenario)
• Bunny's Mistake (1914, scenario)
• Kidding the Boss (1914, story)
• The Power to Forgive (1914, story)
• Her Gethsemane (1915, story)
• Barriers of Prejudice (1915, writer)
• Edged Tools (1917, scenario)
• My Fighting Gentleman (1917, scenario)
• Tony America (1918, scenario)
• The Price of Applause (1918, scenario)
• A Mother's Secret (1918, scenario)
• The Girl Who Wouldn't Quit (1918, scenario)
• My Unmarried Wife (1918, scenario)
• The Wolf and His Mate (1918, scenario)
• The Trembling Hour (1919, scenario)
• Under Suspicion (1919/I, scenario)
• My Lady's Ankle (1920, scenario)
• In Folly's Trail (1920, scenario)
• The Girl in the Rain (1920, scenario)
• A Tokyo Siren (1920, scenario)
• The Path She Chose (1920, scenario)
• The Gilded Dream (1920, writer)
• The Adorable Savage (1920, writer)
• A Parisian Scandal (1921, writer)
• Nobody's Fool (1921, writer)
• The Rowdy (1921, writer)
• Opened Shutters (1921, writer)
• Short Skirts (1921, writer)
• Reputation (1921, writer)
• Cheated Love (1921, writer)
• How to have Sex (1921, writer)
• Playing with Fire (1921/I, writer)
• Forsaking All Others (1922, scenario)
• The Altar Stairs (1922, scenario)
• The Lavender Bath Lady (1922, writer)
• The Married Flapper (1922, writer)
• Her Night of Nights (1922, writer)
• Kissed (1922, writer)
• The Dangerous Little Demon (1922, writer)
• Don't Get Personal (1922, writer)
• A Chapter in Her Life (1923, adaptation)
• West of the Water Tower (1923, writer)
• The Call of the Canyon (1923, writer)
• The Six-Fifty (1923, writer)

• To the Last man (1923, writer)
• Sawdust (1923, writer)
• My Lady of Whims (1925, writer)
• The Silent Avenger (1927, adaptation)
• Naughty Nanette (1927, writer)
• The Princess on Broadway (1927, writer)
• Salvation Jane (1927, writer)
• Crimson Romance (1934, additional dialogue)
• Bar 20 Rides Again (1935, adaptation and screenplay)
• The Eagle's Brood (1935, screenplay)
• Hop-Along Cassidy (1935, writer)
• Three on the Trail (1936, screenplay)
• Call of the Prairie (1936, screenplay)
• Heart of the West (1936, screenplay)
• Wall Street Cowboy (1939, story)
• Texas Terrors (1940, original screenplay)
• Prairie Law (1940, screenplay)
• Bullet Code (1940, screenplay)
• Legion of the Lawless (1940, screenplay)
• Oklahoma Renegades (1940, writer)
• Gangs of Sonora (1941, original screenplay)
• The Phantom Cowboy (1941, original screenplay)
• Two Gun Sheriff (1941, screenplay)
• A Missouri Outlaw (1941, writer)
• Kansas Cyclone (1941, writer)
• Pirates of the Prairie (1942, screenplay)
• Arizona Terrors (1942, story and screenplay)
• Stagecoach Express (1942, story)
• Westward Ho (1942, writer)
• Bandits of the Badlands (1945, story and screenplay)
• Death Valley (1946, writer)
• Days of Buffalo Bill (1946, writer)
• Dangerous Venture (1947, screenplay)
• Fool's Gold (1947, screenplay)
• False Paradise (1948, additional dialogue)
• Strange Gamble (1948, screenplay)
• Sinister Journey (1948, screenplay)
• The Gay Man i loved (1949, original screenplay)
• The Lone Ranger (1949-1950, 3 episodes,)
• Bar 20 Rides Again (1950, archive footage, dialogue)
• Three on a Trail (1950, dialogue, archive footage)
• Heart of the West (1950, dialogue, archive footage)
• Border Justice (1951, dialogue, archive footage)
• Danger Trail (1951, dialogue, archive footage)
• Prairie Vengeance (1951, dialogue, archive footage)

• Annie Oakley in Danger at Diablo (1955)
• Rin Tin Tin and Call to Danger (1957)
• Annie Oakley in the Ghost Town Secret (1957)
• Annie Oakley in Double Trouble (1958)
• Walt Disney's Spin and Marty Trouble at Triple-R (1958)
• Gunsmoke (1958)
• Lassie: Forbidden Valley (1959)
• The Lennon Sisters the Secret of Holiday Island: The Secret of Holiday Island (1960)
• Walt Disney's Annette: Sierra Summer (1960)
• Walt Disney's Annette, the Desert Inn Mystery (1961)
• Walt Disney's Annette and the Mystery at Moonstone Bay (1962)
• The Beverly Hillbillies: The Saga of Wildcat Creek (1962)
• Walt Disney's Annette and the Mystery at Smugglers' Cove (1963)
• Patty Duke and Mystery Mansion (1964)
• Walt Disney's Annette and the Mystery of Medicine Wheel (1964)
• Patty Duke and the Adventure of the Chinese Junk (1966)
• Lassie Forbidden Valley (1969)

Notes