Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Spain--History--Charles I, 1516-1556.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Journeys--Spain.
Charles V, Holy Roman Emperor, 1500-1558--Travel--Spain.
Spain--History--Charles I, 1516-1556.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Spain--History--Charles I, 1516-1556.