Columbia subject headings:
Italy--Politics and government--943-1947.
Partito socialista italiano--History.
Socialism--Italy--History.
World War, 1939-1945--Underground movements--Italy.
Harvard subject headings:
Italy--Politics and government--943-1947.
Partito socialista italiano--History.
Socialism--Italy
Socialism--Italy--History
World War, 1939-1945--Underground movements--Italy.
Princeton subject headings:
Anti-fascist movements--Italy--History.
Labor movement--Italy--History.
Partito socialista italiano--History.