Columbia subject headings:
Architecture--Italy--Milan--Designs and plans.
Architecture--Italy--Milan--History--21st century.
Milan (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Italy--Milan--20th century.
Architecture--Italy--Milan--21st century.
Milan (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Italy--Milan--Designs and plans.
Architecture--Italy--Milan--History--21st century.
Milan (Italy)--Buildings, structures, etc.