Columbia subject headings:
Italy--Foreign relations--1945-1976.
Italy--Foreign relations--1976-1994.
Italy--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Italy.
Harvard subject headings:
Communism--Italy--20th century.
Partito communista italiano.
Partito socialista italiano.
Stalin, Joseph, 1878-1953--Influence.
Princeton subject headings:
Italy--Foreign relations--1945-1976.
Italy--Foreign relations--1976-1994.
Italy--Foreign relations--Soviet Union.
Soviet Union--Foreign relations--Italy.