Columbia subject headings:
Indians of South America--Peru--Urubamba River Valley--Civilization.
Machiguenga Indians.
Harvard subject headings:
Indians of South America--Peru--Urubamba River Valley--Civilization--Congresses.
Machiguenga Indians--Congresses.
Urubamba River Valley (Peru)--Social life and customs--Congresses.
Princeton subject headings:
Machiguenga Indians--History.
Machiguenga Indians--Social life and customs.
Urubamba River Valley (Peru)--History.
Urubamba River Valley (Peru)--Social life and customs.