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