Roteirização

• 1933
  The Whispering Shadowcomo ScreenplayOs Três Mosqueteiroscomo Story
• 1934
  Flirting with Dangercomo Dialogue
• 1936
  Border Caballerocomo Writer
• 1937
  Tim Tyler's Luckcomo ScreenplayTim Tyler's Luckcomo StoryThe Legion of Missing Mencomo StoryWild West Dayscomo ScreenplaySecret Agent X-9como Screenplay
• 1938
  Hawk of the Wildernesscomo ScreenplayMars Attacks the Worldcomo ScreenplayRed Barrycomo ScreenplayFlash Gordon's Trip to Marscomo ScreenplayFlash Gordon: The Deadly Ray From Marscomo WriterRocket Shipcomo Original StoryRocket Shipcomo Screenplay
• 1939
  Wall Street Cowboycomo ScreenplayBlue Montana Skiescomo StoryBoys' Reformatorycomo WriterFrontier Pony Expresscomo ScreenplayBuck Rogerscomo Writer
• 1940
  O Misterioso Dr. Satãcomo ScreenplayO Rei da Polícia Montadacomo ScreenplayAs Aventuras de Red Rydercomo ScreenplayDrums of Fu Manchucomo Screenplay
• 1941
  King of the Texas Rangerscomo ScreenplayJungle Girlcomo ScreenplayAventuras do Capitão Marvelcomo Screenplay
• 1942
  The Sundown Kidcomo ScreenplayOutlaws of Pine Ridgecomo WriterThe Sombrero Kidcomo WriterPerils of Nyokacomo ScreenplaySpy Smashercomo Screenplay
• 1943
  California Joecomo ScreenplayDrums of Fu Manchucomo ScreenplayDeath Valley Manhuntcomo ScreenplayThe Man from the Rio Grandecomo WriterBlack Hills Expresscomo ScreenplayBordertown Gun Fighterscomo ScreenplayFugitive from Sonoracomo ScreenplayDays of Old Cheyennecomo ScreenplayCarson City Cyclonecomo ScreenplayDead Man's Gulchcomo StoryDead Man's Gulchcomo ScreenplayA Vereda Solitáriacomo Screenplay
• 1944
  Sheriff of Las Vegascomo ScreenplayVigilantes of Dodge Citycomo ScreenplayVigilantes of Dodge Citycomo StorySheriff of Sundowncomo ScreenplayStagecoach to Montereycomo WriterSan Antonio Kidcomo ScreenplayOutlaws of Santa Fecomo ScreenplayMojave Firebrandcomo Screenplay
• 1945
  Corpus Christi Banditscomo ScreenplayThe Topeka Terrorcomo Screenplay
• 1946
  Rio Grande Raiderscomo StoryRed River Renegadescomo Screenplay
• 1947
  Last Days of Boot Hillcomo ScreenplayBuckaroo from Powder Rivercomo Screenplay
• 1948
  Sundown in Santa Fecomo WriterDaredevils of the Cloudscomo ScreenplayBlazing Across the Pecoscomo ScreenplayWhirlwind Raiderscomo ScreenplaySlippy McGeecomo Screenplay
• 1949
  Squadron of Doomcomo ScreenplaySan Antone Ambushcomo WriterBrimstonecomo StorySouth of Riocomo WriterLaw of the Golden Westcomo WriterRose of the Yukoncomo Screenplay
• 1950
  Indian Territorycomo WriterBeyond the Purple Hillscomo WriterUnmaskedcomo Screenplay
• 1951
  Whirlwindcomo WriterTexans Never Crycomo WriterGene Autry and the Mountiescomo Writer
• 1952
  Montana Bellecomo ScreenplayApache Countrycomo WriterNight Stage to Galvestoncomo Writer
• 1953
  Pack Traincomo StoryPack Traincomo ScreenplayWinning of the Westcomo StoryWinning of the Westcomo ScreenplayPlanet Outlawscomo Writer
• 1958
  The Missouri Travelercomo Screenplay
• 1959
  Ódio Destruidorcomo Screenplay
• 1977
  Buck Rogerscomo Screenplay