Columbia subject headings:
Agriculture--Origin.
Excavations (Archaeology)--Mexico.
Guilá Naquitz Cave (Mexico)
Indians of Mexico--Agriculture.
Indians of Mexico--Antiquities.
Mexico--Antiquities.
Harvard subject headings:
Agriculture--Origin
Excavations (Archaeology)--Mexico
Guilá Naquitz Cave (Mexico)
Indians of Mexico--Agriculture
Indians of Mexico--Antiquities
Mexico--Antiquities.
Princeton subject headings:
Agriculture--Origin.
Excavations (Archaeology)--Mexico.
Guilá Naquitz Cave (Mexico)
Indians of Mexico--Agriculture.
Indians of Mexico--Antiquities.
Mexico--Antiquities.