Columbia subject headings:
Anti-fascist movements--Italy--Milan--History--20th century.
Labor unions--Italy--Milan--History--20th century.
Working class--Political activity--Italy--Milan--History--20th century.
Harvard subject headings:
Anti-fascist movements--Italy--Milan--History--20th century.
Labor unions--Italy--Milan--History--20th century.
Working class--Italy--Milan--Political activity--History--20th century.
Princeton subject headings:
Anti-fascist movements--Italy--Milan--History--20th century.
Labor unions--Italy--Milan--History--20th century.
Working class--Italy--Milan--Political activity--History--20th century.