Columbia subject headings:
Architecture--Competitions--Italy--Milan.
Architecture--Italy--Milan--History--20th century.
City planning--Competitions--Italy--Milan.
City planning--Italy--Milan--History--20th century.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Competitions--Italy--Milan.
Architecture--Italy--Milan--History--20th century
City planning--Competitions--Italy--Milan.
City planning--Italy--Milan--History--20th century.
Milan (Italy)--Buildings, structures, etc.
Milan (Italy)--Buildings, structures, etc.--Designs and plans.
Princeton subject headings: