Columbia subject headings:
Harvard subject headings:
Cities and towns--Italy--Piedmont--History--Pictorial works.
Cities and towns--Italy--Piedmont--History.
Piedmont (Italy)--Description and travel.
Rovere, Clemente, 1807-1860--Travel--Italy--Piedmont.
Princeton subject headings:
Cities and towns--Italy--Piedmont--History--Pictorial works.
Cities and towns--Italy--Piedmont--History.
Piedmont (Italy)--Description and travel.