Columbia subject headings:
Economics--Italy--History--20th century--Congresses.
Italy--Foreign relations--1945-1976--Congresses.
Political science--Italy--History--20th century--Congresses.
Harvard subject headings:
Economics--Italy--History--20th century--Congresses.
Italy--Foreign relations--1945-1976--Congresses.
Political science--Italy--History--20th century--Congresses.
Princeton subject headings:
Italy--Foreign economic relations--Congresses.
Italy--Foreign relations--1945-1976--Congresses.
Italy--History--Congresses.