Columbia subject headings:
Aymara Indians--Economic conditions.
Aymara Indians--Population.
Indians of South America--Bolivia--Potosí--Economic conditions.
Indians of South America--Bolivia--Potosí--Population.
Quechua Indians--Economic conditions.
Quechua Indians--Population.
Harvard subject headings:
Aymara Indians--Bolivia--Economic conditions.
Aymara Indians--Bolivia--Population.
Quechua Indians--Bolivia--Economic conditions.
Quechua Indians--Bolivia--Population.
Princeton subject headings:
Aymara Indians--Case studies.
Indians of South America--Bolivia--Case studies.
Quechua Indians--Case studies.