Columbia subject headings:
Siena (Italy : Province)--History--Exhibitions.
Strada di Francia (Italy and France)--History--Exhibitions.
Harvard subject headings:
Siena (Italy : Province)--History--Exhibitions.
Strada di Francia (Italy and France)--History--Exhibitions.
Princeton subject headings:
Architecture--Italy--Siena (Province).
Siena (Italy : Province)--History.
Strada di Francia (Italy and France)--History.