Columbia subject headings:
Harvard subject headings:
America--Antiquities.
Archaeology--Central America.
Archaeology--Mexico.
Archaeology--North America.
Indians of Central America--Antiquities
Indians of Mexico--Antiquities
Indians of North America--Antiquities
Indians--Antiquities
Princeton subject headings:
Archaeology--Mexico.
Archaeology--North America.
Indians of Central America--Antiquities.
Indians of Mexico--Antiquities.
Indians of North America--Antiquities.