Columbia subject headings:
Bridges--Italy--Exhibitions.
Palladio, Andrea, 1508-1580--Exhibitions.
Harvard subject headings:
Bridges--Italy--Design and construction--Exhibitions.
Bridges--Italy--Design--Exhibitions.
Bridges--Italy--Exhibitions.
Palladio, Andrea, 1508-1580--Exhibitions.
Princeton subject headings:
Bridges--Italy--Exhibitions.
Palladio, Andrea, 1508-1580--Exhibitions.