Columbia subject headings:
Art, Medieval--Italy--Biella.
Art, Medieval--Italy--Vercelli.
Christian art and symbolism--Italy--Biella--Medieval, 500-1500.
Harvard subject headings:
Art, Italian--Italy--Biella--13th century.
Art, Italian--Italy--Biella--14th century.
Art, Italian--Italy--Vercelli--13th century.
Art, Italian--Italy--Vercelli--14th century.
Christian art and symbolism--Italy--Biella--Medieval, 500-1500.
Christian art and symbolism--Italy--Vercelli--Medieval, 500-1500.
Princeton subject headings:
Art, Medieval--Italy--Biella.
Art, Medieval--Italy--Vercelli.
Christian art and symbolism--Italy--Biella--Medieval, 500-1500.
Christian art and symbolism--Italy--Vercelli--Medieval, 500-1500.