Rex

Hoofbeats of Vengeance

(Rex, the Wonder Horse)

Black Cyclone

(Rex (as Rex the Wild Horse))

The King of the Wild Horses

(The Black (as Rex the Wonder Horse))

Lightning Romance

(A Horse (as Rex the Wonder Horse))

Rex the Devil Horse

(The Devil Horse (as Rex - King of Horses))

No Man's Law

(Rex, a Wild Horse (as Rex the Wonder Horse))

Wild Blood

(Rex, Mary's Horse (as Rex the Wonder Horse))

Guardians of the Wild

(Rex - a Wild Horse (as Rex the Wonder Horse))

Two Outlaws

(Rex, a Horse (as Rex King of the Wild Horses))

Plunging Hoofs

(Rex (as Rex the Wonder Horse))

Parade of the West

(Mankiller (as Rex King of the Wild Horses))

The Vanishing Legion

(Rex)

King of the Wild Horses

(Rex (as Rex the Wonder Horse))

Stormy

(Rex (as Rex King of Wild Horses))

The Law of the Wild

(Rex King of the Wild Horses)

The Adventures of Rex and Rinty

(Rex, The King of Wild Horses)

Robinson Crusoe of Clipper Island

(Rex, the Wonder Horse)

King of the Sierras

(Diablo)

The Harvest of Hate

(Rex, the World's Greatest Horse (as Rex the Wonder Horse))

Wild Beauty

(Thunderhoof, a horse)