Columbia subject headings:
Central America--Antiquities.
Indian art--Central America.
Indian art--Mexico.
Mexico--Antiquities.
Harvard subject headings:
Central America--Antiquities.
Indian art--Central America
Indian art--Mexico
Indians of Central America--Antiquities
Indians of Mexico--Antiquities
Mexico--Antiquities.
Petroglyphs--Central America.
Petroglyphs--Mexico.
Rock paintings--Central America.
Rock paintings--Mexico.
Princeton subject headings:
Central America--Antiquities.
Indian art--Central America.
Indian art--Mexico.
Mexico--Antiquities.