Columbia subject headings:
Harvard subject headings:
Caciques (Indian leaders)--Rio de la Plata Region (Argentina and Uruguay)
Indians of South America--Rio de la Plata Region (Argentina and Uruguay)--History.
Rio de la Plata Region (Argentina and Uruguay)--History.
Rio de la Plata Region (Argentina and Uruguay)--Politics and government.
Princeton subject headings:
Caciques (Indian leaders)--Rio de la Plata Region (Argentina and Uruguay).
Rio de la Plata Region (Argentina and Uruguay)--Politics and government.
Río de la Plata Region (Argentina and Uruguay)--History.