Columbia subject headings:
Architecture--Italy--Milan--History--20th century.
Architecture--Italy--Milan.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Modern--20th century--Italy--Milan.
Architecture--Italy--Milan
Milan (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--20th century--Italy--Milan.
Architecture--Italy--Milan.
Milan (Italy)--Buildings, structures, etc.