Columbia subject headings:
Harvard subject headings:
Indians of Mexico--Government relations
Mexico--History--Spanish colony, 1540-1810.
New Spain--Relations--Spain.
Spain--Relations--New Spain.
Princeton subject headings:
Latin America--Foreign relations--Mexico.
Mexico--Foreign relations--Latin America.
Mexico--History--Spanish colony, 1540-1810.
Mexico--Politics and government--1540-1810.