Columbia subject headings:
Art, Italian--Italy--Siena--Congresses.
Art, Medieval--Italy--Siena--Congresses.
Art, Renaissance--Italy--Siena--Congresses.
Christian art and symbolism--Italy--Siena--Congresses.
Harvard subject headings:
Art, Italian--Italy--Siena--Congresses.
Art, Medieval--Italy--Siena--Congresses.
Art, Renaissance--Italy--Siena--Congresses.
Siena (Italy)--Civilization--Exhibitions.
Princeton subject headings:
Art, Italian--Italy--Siena--Exhibitions.
Siena (Italy)--Civilization--Exhibitions.