Columbia subject headings:
Human ecology--Mexico--Mexico, Valley of.
Indians of Mexico--Mexico--Mexico, Valley of--Antiquities.
Land settlement patterns, Prehistoric--Mexico--Mexico, Valley of.
Mexico, Valley of (Mexico)--Antiquities.
Mexico--Antiquities.
Harvard subject headings:
Human ecology--Mexico--Mexico, Valley of.
Indians of Mexico--Mexico--Mexico, Valley of--Antiquities
Land settlement patterns, Prehistoric--Mexico--Mexico, Valley of.
Mexico, Valley of (Mexico)--Antiquities.
Mexico--Antiquities.
Princeton subject headings: