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