Columbia subject headings:
France--Relations--Italy--Milan--History.
French--Italy--Milan.
Milan (Italy)--History.
Milan (Italy)--Relations--France--History.
Harvard subject headings:
France--Relations--Italy--Milan--History.
French--Italy--Milan.
Milan (Italy)--History.
Milan (Italy)--Relations--France--History.
Princeton subject headings:
French--Italy--Milan--History.