Columbia subject headings:
Harvard subject headings:
Berlinguer, Enrico.
Italian literature--19th century--History and criticism--Congresses
Italian literature--20th century--History and criticism--Congresses
Italian literature--Italy--Naples--Congresses.
Italy--Politics and government--1945-1976.
Italy--Politics and government--20th century.
Princeton subject headings:
Italian literature--19th century--History and criticism--Congresses.
Italian literature--20th century--History and criticism--Congresses.
Italian literature--Italy--Naples--Congresses.
Italy--Politics and government--1945-.