Columbia subject headings:
Fondo per l'ambiente italiano.
Historic buildings--Italy--Guidebooks.
Suburban homes--Italy--Pictorial works.
Harvard subject headings:
Architecture, Domestic--Italy
Cultural property--Protection--Italy.
Fondo per l'ambiente italiano.
Historic buildings--Italy--Guidebooks.
Italy--Guidebooks.
Italy--Pictorial works.
Mansions--Italy--Guidebooks.
Palaces--Italy--Guidebooks.
Princeton subject headings:
Fondo per l'ambiente italiano.
Guidebooks.
Historic buildings--Italy--Guidebooks.
Italy--Description and travel--Guidebooks.
Italy--Pictorial works.