Columbia subject headings:
Harvard subject headings:
Agriculture--Southwest, New--Origin.
Indians of North America--Agriculture--Southwest, New.
Indians of North America--Southwest, New--Antiquities.
Southwest, New--Antiquities.
Princeton subject headings:
Agriculture--Southwest, New--Origin.
Indians of North America--Agriculture--Southwest, New.
Indians of North America--Southwest, New--Antiquities.
Southwest, New--Antiquities.