Columbia subject headings:
Communism and intellectuals--Europe--History--20th century.
Communism and intellectuals--Italy--History--20th century.
Harvard subject headings:
Communism and intellectuals--Europe--History--20th century.
Communism and intellectuals--Italy--History--20th century.
Princeton subject headings:
Communism and intellectuals--Europe--History--20th century.
Communism and intellectuals--Italy--History--20th century.