Columbia subject headings:
Harvard subject headings:
Polychromy--Italy--Siena--Exhibitions.
Sculpture, Gothic--Italy--Siena--Exhibitions.
Sculpture, Italian--Italy--Siena--Exhibitions.
Sculpture, Renaissance--Italy--Siena--Exhibitions.
Wood sculpture, Gothic--Italy--Siena--Exhibitions.
Wood sculpture, Italian--Italy--Siena--Exhibitions.
Wood sculpture, Medieval--Italy--Siena--Exhibitions.
Wood sculpture, Renaissance--Italy--Siena--Exhibitions.
Wood-carving, Gothic--Italy--Siena--Exhibitions.
Wood-carving, Renaissance--Italy--Siena--Exhibitions.
Princeton subject headings:
Polychromy--Italy--Siena--Exhibitions.
Sculpture, Italian--Italy--Siena--Conservation and restoration--Exhibitions.
Sculpture, Italian--Italy--Siena--Exhibitions.
Sculpture, Medieval--Italy--Siena--Exhibitions.