Columbia subject headings:
Harvard subject headings:
Discrimination--Italy--Florence--History--20th century.
Factories--Italy--Florence--History--20th century.
Labor movement--Italy--Florence--History--20th century.
Princeton subject headings:
Discrimination--Italy--Florence--History--20th century.
Factories--Italy--Florence--History--20th century.
Labor movement--Italy--Florence--History--20th century.