Columbia subject headings:
Berlinguer, Enrico.
Italy--Foreign relations--1976-1994.
Italy--Politics and government--1976-1994.
Partito comunista italiano--History.
Harvard subject headings:
Berlinguer, Enrico.
Communism and international relations--Italy--History.
Italy--Foreign relations--1976-1994.
Italy--Politics and government--1976-1994.
Partito comunista italiano--History.
Princeton subject headings:
Berlinguer, Enrico.
Communism and international relations--Italy--History.
Partito comunista italiano--History.