Columbia subject headings:
Rome (Italy)--Pictorial works.
Harvard subject headings:
Historic buildings--Italy--Rome--Pictorial works.
Historic sites--Italy--Rome--Pictorial works.
Rome (Italy)--Pictorial works
Princeton subject headings:
Architecture--Italy--Rome.
Rome (Italy)--Buildings, structures, etc.
Rome (Italy)--Description and travel.
Rome (Italy)--Pictorial works.