Columbia subject headings:
Harvard subject headings:
Italy--History--1849-1870--Pictorial works--Exhibitions.
Photography--Italy--Rome--History--19th century--Exhibitions.
Portrait photography--Italy--Rome--History--19th century--Exhibitions.
Rome (Italy)--Biography--Portraits--Exhibitions.
Rome (Italy)--History--1798-1870--Pictorial works--Exhibitions.
Princeton subject headings:
Italy--History--1849-1870--Pictorial works--Exhibitions.
Rome (Italy)--History--1798-1870--Pictorial works--Exhibitions.