Columbia subject headings:
Champlevé, Medieval--Italy--Catalogs.
Relief (Sculpture), Romanesque--Italy--Catalogs.
Stone carving--Italy--Catalogs.
Harvard subject headings:
Champlevé, Medieval--Italy--Catalogs.
Decoration and ornament, Architectural--Italy.
Relief (Sculpture), Romanesque--Italy--Catalogs.
Sculpture, Romanesque--Italy.
Sculpture--Conservation and restoration--Italy.
Sculpture--Technique
Stone carving--Italy--Catalogs.
Princeton subject headings:
Catalogs.
Champlevé, Medieval--Italy--Catalogs.
Relief (Sculpture), Romanesque--Italy--Catalogs.
Stone carving--Italy--Catalogs.