Columbia subject headings:
Communism--Italy--History--20th century.
Italy--Politics and government--1943-1947.
Italy--Politics and government--1945-1976.
Partito comunista italiano--History.
Harvard subject headings:
Communism--Italy--History--20th century
Italy--Politics and government--1943-1947.
Italy--Politics and government--1945-
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.
Partito comunista italiano--History.
Princeton subject headings:
Communism--Italy--History--20th century.
Italy--Politics and government--1943-1947.
Italy--Politics and government--1945-1976.
Italy--Politics and government--1976-1994.
Partito comunista italiano--History.