Columbia subject headings:
Architecture, Romanesque--Italy--Liguria.
Architecture, Romanesque--Piedmont (U.S. : Region)
Church architecture--Italy--Liguria.
Church architecture--Piedmont (U.S. : Region)
Harvard subject headings:
Architecture, Romanesque--Italy--Liguria.
Architecture, Romanesque--Italy--Piedmont.
Architecture, Romanesque--Piedmont.
Church architecture--Italy--Liguria.
Church architecture--Italy--Piedmont.
Church architecture--Piedmont.
Sculpture, Romanesque--Italy.
Princeton subject headings:
Architecture, Romanesque--Italy--Liguria.
Architecture, Romanesque--Italy--Piedmont.
Art, Italian--Italy--Liguria.
Art, Italian--Italy--Piedmont.
Art, Romanesque--Italy--Liguria.
Art, Romanesque--Italy--Piedmont.