Columbia subject headings:
Agriculture, Prehistoric.
Economics, Prehistoric.
Hunting and gathering societies.
Land settlement patterns, Prehistoric.
Traditional farming.
Harvard subject headings:
Agriculture, Prehistoric.
Economics, Prehistoric.
Hunting and gathering societies.
Land settlement patterns, Prehistoric.
Traditional farming.
Princeton subject headings:
Agriculture, Prehistoric.
Economics, Prehistoric.
Hunting and gathering societies.
Land settlement patterns, Prehistoric.
Traditional farming.