Columbia subject headings:
Duomo di Orvieto (Orvieto, Italy)--Exhibitions.
Sculpture, Baroque--Italy--Orvieto--Exhibitions.
Sculpture, Italian--Conservation and restoration--Italy--Orvieto--Exhibitions.
Sculpture, Italian--Italy--Orvieto--16th century--Exhibitions.
Sculpture, Italian--Italy--Orvieto--17th century--Exhibitions.
Harvard subject headings:
Church decoration and ornament--Italy--Orvieto--Pictorial works--Exhibitions.
Duomo di Orvieto (Orvieto, Italy)--Pictorial works--Exhibitions.
Sculpture, Italian--Italy--Orvieto--Pictorial works--Exhibitions.
Sculpture--Conservation and restoration--Italy--Orvieto--Exhibitions.
Princeton subject headings: