Columbia subject headings:
Ferrari, Giacomo--Congresses.
Italy--Politics and government--1945-1976--Congresses.
Statesmen--Italy--Biography--Congresses.
Harvard subject headings:
Ferrari, Giacomo--Congresses.
Italy--Politics and government--1945-1976--Congresses.
Statesmen--Italy--Biography--Congresses.
Princeton subject headings:
Ferrari, Giacomo--Congresses.
Statesmen--Italy--Biography--Congresses.