Columbia subject headings:
Harvard subject headings:
Encomiendas (Latin America)
Indians of Mexico--Employment--History.
Indians of Mexico--Government relations
Indians of Mexico--History
Indians, Treatment of--Mexico--History.
Princeton subject headings:
Encomiendas (Latin America)--History--16th century.
Indians of Mexico--Legal status, laws, etc.
Indians, Treatment of--Mexico--History--16th century.