Columbia subject headings:
Indians of South America--Economic conditions.
Indians of South America--Ethnic identity.
Indians of South America--Social life and customs.
Mexican Americans--Ethnic identity.
Social change.
Harvard subject headings:
Economic development.
Ethnology--Latin America
Latin America--Civilization.
Latin America--Economic conditions.
Latin America--Social conditions.
Princeton subject headings:
Indians of South America--Economic conditions.
Indians of South America--Ethnic identity.
Indians of South America--Social life and customs.
Mexican Americans--Ethnic identity.
Social change.