Columbia subject headings:
Florence (Italy)--Politics and government--1945-
Partito socialista italiano--History--20th century.
Socialism--Italy--Florence--History--20th century.
Harvard subject headings:
Florence (Italy)--Politics and government--1945-
Partito socialista italiano--History--20th century.
Socialism--Italy--Florence--History--20th century.
Princeton subject headings:
Florence (Italy)--Politics and government--1945-
Partito socialista italiano--History--20th century.
Socialism--Italy--Florence--History--20th century.