Columbia subject headings:
America--Discovery and exploration--Spanish.
America--Early accounts to 1600.
Argentina--History--1535-1617.
Explorers--America--Biography.
Explorers--Spain--Biography.
Indians of North America.
Núñez Cabeza de Vaca, Alvar, active 16th century.
Paraguay--History--To 1811.
Southwestern States--Description and travel.
Harvard subject headings:
Princeton subject headings:
America--Discovery and exploration--Spanish.
America--Early accounts to 1600.
Argentina--History--1535-1617.
Explorers--America--Biography.
Explorers--Spain--Biography.
Indians of North America--Southwestern States.
Núñez Cabeza de Vaca, Alvar, active 16th century.
Paraguay--History--To 1811.
Southwestern States--Description and travel.