Clarence E. Mulford

1920

• [ ] The Orphan (Novel) 

1924

• [ ] The Deadwood Coach (Novel) 

1935

• [ ] The Eagle's Brood (Novel) 
• [ ] Hop-a-long Cassidy (Novel) 
• [ ] Bar 20 Rides Again (Original Story) 

1936

• [ ] Heart of the West (Story) 
• [ ] Call of the Prairie (Story) 
• [ ] Trail Dust (Novel) 
• [ ] Three on the Trail (Story) 
• [ ] Hopalong Cassidy Returns (Story) 

1937

• [ ] Hills of Old Wyoming (Story) 
• [ ] Hopalong Rides Again (Story) 
• [ ] North of the Rio Grande (Story) 
• [ ] Rustlers' Valley (Characters) 
• [ ] Texas Trail (Story) 
• [ ] Borderland (Story) 

1938

• [ ] Cassidy of Bar 20 (Story) 
• [ ] Partners of the Plains (Story) 
• [ ] Pride of the West (Characters) 
• [ ] Heart of Arizona (Story) 
• [ ] In Old Mexico (Characters) 
• [ ] The Frontiersmen (Characters) 
• [ ] Bar 20 Justice (Story) 

1939

• [ ] Sunset Trail (Novel) 
• [ ] Renegade Trail (Characters) 
• [ ] Silver on the Sage (Story) 
• [ ] Law of the Pampas (Characters) 
• [ ] Range War (Characters) 

1940

• [ ] The Showdown (Characters) 
• [ ] Three Men from Texas (Characters) 
• [ ] Hidden Gold (Characters) 
• [ ] Stagecoach War (Characters) 
• [ ] Santa Fe Marshal (Characters) 

1941

• [ ] Outlaws of the Desert (Characters) 
• [ ] Doomed Caravan (Characters) 
• [ ] Pirates on Horseback (Characters) 
• [ ] Stick to Your Guns (Novel) 
• [ ] Riders of the Timberline (Characters) 
• [ ] Secret of the Wastelands (Characters) 
• [ ] Twilight on the Trail (Characters) 
• [ ] Border Vigilantes (Characters) 

1942

• [ ] Undercover Man (Characters) 
• [ ] Lost Canyon (Characters) 

1943

• [ ] Riders of the Deadline (Characters) 
• [ ] Leather Burners (Characters) 
• [ ] False Colors (Characters) 
• [ ] Hoppy Serves a Writ (Story) 
• [ ] Border Patrol (Characters) 

1944

• [ ] Mystery Man (Characters) 
• [ ] Lumberjack (Characters) 
• [ ] Forty Thieves (Characters) 

1946

• [ ] Fool's Gold (Characters) 
• [ ] The Devil's Playground (Characters) 

1947

• [ ] Hoppy's Holiday (Characters) 
• [ ] Unexpected Guest (Characters) 
• [ ] Dangerous Venture (Characters) 
• [ ] The Marauders (Characters) 

1948

• [ ] The Dead Don't Dream (Characters) 
• [ ] Borrowed Trouble (Characters) 
• [ ] Strange Gamble (Characters) 
• [ ] False Paradise (Characters) 
• [ ] Sinister Journey (Characters) 
• [ ] Silent Conflict (Characters)