Columbia subject headings:
Harvard subject headings:
Art--Conservation and restoration--Italy--Umbria--Exhibitions.
Painting, Italian--14th century--Exhibitions.
Painting, Italian--Italy--Umbria--14th century--Exhibitions.
Sculpture, Italian--14th century--Exhibitions.
Sculpture, Italian--Italy--Umbria--14th century--Exhibitions.
Princeton subject headings:
Art, Italian--Italy--Umbria--14th century--Exhibitions.
Christian art and symbolism--Italy--Umbria--Medieval, 500-1500--Exhibitions.