Columbia subject headings:
Harvard subject headings:
Communists--Italy--Livorno.
Livorno (Italy)--Politics and government.
Riots--Italy--Livorno.
Togliatti, Palmiro, 1893-1964--Assassination attempt, 1948 (July 14)
Princeton subject headings:
Communism--Italy--Livorno--History--20th century.
Italy--Politics and government--1945-1976.
Togliatti, Palmiro, 1893-1964--Assassination attempt, 1948.
Working class--Italy--Livorno--History--20th century.