Columbia subject headings:
Decoration and ornament, Architectural--Italy.
Decoration and ornament, Medieval--Italy.
Sculpture, Medieval--Italy.
Harvard subject headings:
Decoration and ornament, Architectural--Italy.
Decoration and ornament, Medieval--Italy.
Sculpture, Italian.
Sculpture, Medieval--Italy.
Princeton subject headings:
Sculpture materials--Italy.
Sculpture, Italian.
Sculpture, Medieval--Italy.
Sculpture--Technique.