1931 Hard HombreScreenplay 1933 His Private SecretaryAdaptation 1935 1,000 Dollars a MinuteAdaptation 1936 The Lonely TrailScreenplay 1938 International CrimeScreenplay 1939 Days of Jesse JamesStory 1939 Wyoming OutlawScreenplay and Story 1942 They Raid by NightScreenplay 1946 Badman's TerritoryScreenplay 1948 Black BartScreenplay and Story 1948 Return of the Bad MenScreenplay 1949 RustlersScreenplay 1951 Cattle DriveScreenplay 1956 Blackjack Ketchum, DesperadoScreenplay 1957 The Night the World ExplodedWriter