Columbia subject headings:
Mexico--Antiquities.
Oaxaca (Mexico : State)--Antiquities.
Stone implements--Mexico--Oaxaca.
Harvard subject headings:
Indians of Mexico--Mexico--Oaxaca Valley--Antiquities.
Oaxaca Valley (Mexico)--Antiquities.
Stone implements--Mexico--Oaxaca Valley.
Tools, Prehistoric--Mexico--Oaxaca Valley.
Princeton subject headings:
Mexico--Antiquities.
Oaxaca (Mexico)--Antiquities.
Stone implements--Mexico--Oaxaca.