Columbia subject headings:
Architecture, Domestic--Italy--Piedmont.
Palaces--Italy--Piedmont.
Piedmont (Italy)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Domestic--Italy--Piedmont.
Wine and wine making--Italy--Piedmont.
Princeton subject headings:
Architecture, Domestic--Italy--Piedmont.
Wine and wine making--Italy--Piedmont.