Columbia subject headings:
Architecture--Italy--Details.
Architecture--Italy.
Persius, Reinhold, 1835-1912--Travel--Italy.
Harvard subject headings:
Architects--Germany
Architectural drawing
Architecture--Italy
Architecture--Italy--Details--Pictorial works.
Architecture--Italy--Details.
Architecture--Italy--Pictorial works.
Italy--Description and travel.
Italy--Pictorial works.
Persius, Reinhold, 1835-1912--Travel--Italy.
Princeton subject headings:
Architecture--Italy--Details.
Architecture--Italy.
Persius, Reinhold, 1835-1912--Travel--Italy.