Columbia subject headings:
Milan (Italy)--Civilization.
Milan (Italy)--History--19th century.
Milan (Italy)--History--20th century.
Public welfare--Italy--Milan--History.
Harvard subject headings:
Milan (Italy)--Civilization.
Milan (Italy)--History--19th century.
Milan (Italy)--History--20th century.
Public welfare--Italy--Milan--History.
Princeton subject headings:
Milan (Italy)--Civilization.
Milan (Italy)--History--19th century.
Milan (Italy)--History--20th century.
Public welfare--Italy--Milan--History.