Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Political and social views.
Spain--History--Charles I, 1516-1556.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Political and social views.
Spain--History--Charles I, 1516-1556.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Political and social views.
Spain--History--Charles I, 1516-1556.