Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Childhood and youth.
Holy Roman Empire--History--Maximilian I, 1493-1519.
Holy Roman Empire--Kings and rulers--Biography.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Childhood and youth.
Holy Roman Empire--History--Maximilian I, 1493-1519.
Holy Roman Empire--Kings and rulers--Biography.