Columbia subject headings:
Historians--Italy--Biography--Congresses.
Italy--Politics and government--20th century--Congresses.
Journalists--Italy--Biography--Congresses.
Politicians--Italy--Biography--Congresses.
Valiani, Leo, 1909-1999--Congresses.
Harvard subject headings:
Historians--Italy--Biography--Congresses.
Italy--Politics and government--20th century--Congresses.
Journalists--Italy--Biography--Congresses.
Politicians--Italy--Biography--Congresses.
Valiani, Leo, 1909-1999--Congresses.
Princeton subject headings:
Historians--Italy--Biography--Congresses.
Italy--Politics and government--20th century--Congresses.
Journalists--Italy--Biography--Congresses.
Politicians--Italy--Biography--Congresses.
Valiani, Leo, 1909-1999--Congresses.