Columbia subject headings:
America--Discovery and exploration--Spanish.
America--Early accounts to 1600.
Argentina--History--1535-1617.
Indians of South America.
Paraguay--History--To 1811.
Río de la Plata (Argentina and Uruguay)--Description and travel.
Venezuela--History--To 1810.
Harvard subject headings:
America--Discovery and exploration--Spanish.
America--Early accounts to 1600.
Argentina--History--1535-1617
Indians of South America.
Paraguay--History--To 1811.
Río de la Plata (Argentina and Uruguay)--Description and travel.
Venezuela--History--To 1810.
Princeton subject headings:
Río de la Plata (Argentina and Uruguay)--Discovery and exploration.
Venezuela--History--To 1556.