Robert Yost

1935

• [ ] Dante's Inferno (Screenplay) 

1936

• [ ] Arizona Mahoney (Screenplay) 
• [ ] The Arizona Raiders (Screenplay) 
• [ ] Drift Fence (Screenplay) 
• [ ] Desert Gold (Screenplay) 
• [ ] The Preview Murder Mystery (Screenplay) 
• [ ] Let's Make a Million (Writer) 
• [ ] Forgotten Faces (Screenplay) 

1937

• [ ] Born to the West (Screenplay) 
• [ ] Forlorn River (Screenplay) 
• [ ] Thunder Trail (Screenplay) 

1938

• [ ] Illegal Traffic (Writer) 
• [ ] Prison Farm (Screenplay) 
• [ ] Tip-Off Girls (Screenplay) 

1939

• [ ] Grand Jury Secrets (Adaptation) 

1940

• [ ] Young Buffalo Bill (Screenplay) 
• [ ] The Carson City Kid (Screenplay) 

1942

• [ ] Sunset Serenade (Writer) 
• [ ] The Phantom Plainsmen (Screenplay) 
• [ ] The Phantom Plainsmen (Story) 

1943

• [ ] Thundering Trails (Story) 
• [ ] Thundering Trails (Screenplay) 
• [ ] Canyon City (Writer) 
• [ ] Overland Mail Robbery (Screenplay) 
• [ ] Overland Mail Robbery (Story) 

1939

• [ ] King of Chinatown (Additional Writing) 

1918

• [ ] It's a Wild Life (????) 
• [ ] Pipe the Whiskers (????)