Columbia subject headings:
Italy--Politics and government--1945-1976.
Political violence--Italy--History--20th century.
Radicalism--Italy--History--20th century.
Harvard subject headings:
Italy--Politics and government--1945-1976.
Political violence--Italy--History--20th century.
Radicalism--Italy--History--20th century
Princeton subject headings:
Italy--Politics and government--1945-1976.
Political violence--Italy--History--20th century.
Radicalism--Italy--History--20th century.