Columbia subject headings:
America--Discovery and exploration--Spanish.
Spain--Colonies--America.
Spain--History--Charles I, 1516-1556.
Spain--History--Ferdinand and Isabella, 1479-1516.
Harvard subject headings:
America--Discovery and exploration--Spanish.
Spain--Colonies--America--History--16th century.
Spain--Colonies--America.
Spain--History--Charles I, 1516-1556.
Spain--History--Charles I, 1516-1566.
Spain--History--Ferdinand and Isabella, 1479-1516.
Princeton subject headings:
America--Discovery and exploration--Spanish.
Spain--Colonies--America.
Spain--History--Charles I, 1516-1566.
Spain--History--Ferdinand and Isabella, 1479-1516.