Title: Linie Gramsci, Togliatti, Longo, Berlinguer
Subjects: Communism, History, Politics and government, Partito comunista italiano
Places: Italy
People: Luigi Longo (1900-1980), Antonio Gramsci (1891-1937), Palmiro Togliatti (1893-1964), Enrico Berlinguer
Time periods: 20th century