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