Columbia subject headings:
Architecture--Conservation and restoration--Italy--Lombardy--Exhibitions.
Architecture--Italy--Lombardy--Designs and plans--Exhibitions.
Harvard subject headings:
Architecture--Italy--Lombardy--Conservation and restoration--Exhibitions.
Architecture--Italy--Lombardy--Designs and plasn--Exhibitions.
Princeton subject headings:
Architecture--Italy--Lombardy--Conservation and restoration--Exhibitions.
Architecture--Italy--Lombardy--Designs and plasn--Exhibitions.