Columbia subject headings:
Harvard subject headings:
Indians of South America--Chaco Boreal (Paraguay and Bolivia)
Indians of South America--Chaco Boreal (Paraguay and Bolivia)--Economic conditions.
Indians of South America--Chaco Boreal (Paraguay and Bolivia)--Ethnic identity.
Princeton subject headings:
Indians of South America--Paraguay--Chaco--Economic conditions.
Indians of South America--Paraguay--Chaco--Social conditions.
Indians of South America--Paraguay--Chaco--Social life and customs.