Columbia subject headings:
Castles--Italy--Piedmont.
Interior decoration--Italy--Piedmont.
Palaces--Italy--Piedmont.
Savoy, House of--Homes and haunts--Italy--Piedmont.
Harvard subject headings:
Castles--Italy--Turin (Province)--Pictorial works.
Interior decoration--Italy--Turin (Province)--Pictorial works.
Palaces--Italy--Turin (Province)--Pictorial works.
Savoy, House of--Homes and haunts--Italy--Turin (Province)--Pictorial works.
Turin (Italy : Province)--Buildings, structures, etc.--Pictorial works.
Princeton subject headings: