Columbia subject headings:
Architecture--France--Paris--History--19th century.
Architecture--Italy--Milan--History--19th century.
City planning--France--History--19th century.
City planning--Italy--Milan--History--19th century.
Harvard subject headings:
Architecture--France--Paris
Architecture--France--Paris--History--19th century.
Architecture--Italy--Milan
Architecture--Italy--Milan--History--19th century.
Architecture--Political aspects--France--Paris.
Architecture--Political aspects--Italy--Milan.
Art--Political aspects--France--Paris.
Art--Political aspects--Italy--Milan.
Milan (Italy)--Relations--France--Paris.
Napoleonic Wars, 1800-1815--Influence.
Paris (France)--Relations--Italy--Milan.
Princeton subject headings:
Architecture--France--Paris--History--19th century.
Architecture--Italy--Milan--History--19th century.
City planning--France--History--19th century.
City planning--Italy--Milan--History--19th century.