Columbia subject headings:
Indians of Central America--Implements.
Indians of North America--Implements.
Stone implements--Central America.
Stone implements--North America.
Harvard subject headings:
Indians of Central America--Implements.
Indians of North America--Implements.
Stone implements--Central America.
Stone implements--North America.
Stone implements.
Tools, Prehistoric.
Princeton subject headings:
Indians of Central America--Implements.
Indians of North America--Implements.
Stone implements--Central America.
Stone implements--North America.