Columbia subject headings:
Musical theater--Political aspects--Italy--History--20th century.
Theater and state--Italy--History--20th century.
Theater--Law and legislation--Italy.
Harvard subject headings:
Musical theater--Political aspects--Italy--History--20th century.
Theater and state--Italy--History--20th century.
Theater--Law and legislation--Italy.
Princeton subject headings:
Musical theater--Political aspects--Italy--History--20th century.
Theater and state--Italy--History--20th century.
Theater--Law and legislation--Italy.