Columbia subject headings:
America--Discovery and exploration--Spanish.
Spain--History--Ferdinand and Isabella, 1479-1516.
Harvard subject headings:
America--Discovery and exploration--Spanish.
Spain--History--Ferdinand and Isabella, 1479-1516.
Princeton subject headings:
America--Colonization.
America--Discovery and exploration--Spanish.
Spain--Colonies--America.
Spain--History--Ferdinand and Isabella, 1479-1516.
Spain--Politics and government--1479-1516.