Columbia subject headings:
Architecture, Domestic--Italy--Lombardy.
Historic house museums--Italy--Lombardy.
Lombardy (Italy)--Buildings, structures, etc.
Palaces--Italy--Lombardy.
Harvard subject headings:
Architecture, Domestic--Italy--Lombardy.
Historic house museums--Italy--Lombardy.
Lombardy (Italy)--Buildings, structures, etc.
Palaces--Italy--Lombardy.
Princeton subject headings: