Columbia subject headings:
Architecture, Romanesque--Italy--Piedmont.
Art, Italian--Italy--Piedmont.
Art, Romanesque--Italy--Piedmont.
Church architecture--Italy--Piedmont.
Harvard subject headings:
Architecture, Romanesque--Italy--Piedmont.
Architecture--Italy--Piedmont.
Art, Italian--Italy--Piedmont.
Art, Romanesque--Italy--Piedmont.
Princeton subject headings:
Architecture, Romanesque--Italy--Piedmont.
Art, Italian--Italy--Piedmont.
Art, Romanesque--Italy--Piedmont.
Church architecture--Italy--Piedmont.