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