Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Anniversaries, etc.--Congresses.
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Holy Roman Empire--Civilization--Congresses.
Holy Roman Empire--History--Charles V, 1519-1556--Congresses.
Spain--Civilization--1516-1700--Congresses.
Spain--History--Charles I, 1516-1556--Congresses.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Europe--History--1492-1648.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Europe--History--1492-1648.