Columbia subject headings:
Cheyenne Indians--Domestic animals.
Comanche Indians--Domestic animals.
Horses--Great Plains--History.
Indians of North America--Domestic animals--Great Plains.
Harvard subject headings:
Cheyenne Indians--Domestic animals.
Comanche Indians--Domestic animals.
Horses--Great Plains--History.
Indians of North America--Domestic animals--Great Plains.
Princeton subject headings:
Cheyenne Indians.
Comanche Indians.
Horses--United States.