Rex
Acting
Robinson Crusoe of Clipper Island
Rex, the Wonder Horse
Stormy
Rex (as Rex King of Wild Horses)
The Vanishing Legion
Rex
The Black Cyclone
Rex (as Rex the Wild Horse)
King of the Sierras
Diablo
No Man's Law
Rex, a Wild Horse (as Rex the Wonder Horse)
The Adventures of Rex and Rinty
Rex, The King of Wild Horses
The Law of the Wild
Rex King of the Wild Horses
Plunging Hoofs
Rex (as Rex the Wonder Horse)
The Harvest of Hate
Rex, the World's Greatest Horse (as Rex the Wonder Horse)
Parade of the West
Mankiller (as Rex King of the Wild Horses)
Wild Beauty
Thunderhoof, a horse
Lightning Romance
A Horse (as Rex the Wonder Horse)
Hoofbeats of Vengeance
Rex, the Wonder Horse
The King of the Wild Horses
The Black (as Rex the Wonder Horse)
Two Outlaws
Rex, a Horse (as Rex King of the Wild Horses)
King of the Wild Horses
Rex (as Rex the Wonder Horse)
Guardians of the Wild
Rex - a Wild Horse (as Rex the Wonder Horse)
The Devil Horse
The Devil Horse (as Rex - King of Horses)
Wild Blood
Rex, Mary's Horse (as Rex the Wonder Horse)