Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1945---Congresses.
European federation--History--20th century--Congresses.
Piedmont (Italy)--Politics and government--Congresses.
Political culture--Italy--Piedmont--History--20th century--Congresses.
Princeton subject headings:
Europe--Politics and government--1945---Congresses.
European federation--History--20th century--Congresses.
Piedmont (Italy)--Politics and government--Congresses.
Political culture--Italy--Piedmont--History--20th century--Congresses.