Columbia subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Italy--History--1492-1559--Congresses.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Italy--History--1492-1559--Congresses.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Italy--History--1492-1559--Congresses.