Columbia subject headings:
Chickasaw Indians--Government relations.
Chickasaw Indians--Treaties.
Choctaw Indians--Government relations.
Choctaw Indians--Treaties.
Choctaw Indians.
Harvard subject headings:
Chickasaw Indians--Legal status, laws, etc.--Oklahoma.
Choctaw Indians--Legal status, laws, etc.--Oklahoma.
Choctaw law.
Constitutions--Choctaw Nation of Oklahoma.
Princeton subject headings: