Columbia subject headings:
Incrustation (Stone carving)--Italy.
Mosaics--History.
Mosaics--Italy.
Opificio delle pietre dure--History.
Harvard subject headings:
Gems--Italy.
Gems.
Mosaics, Italian.
Mosaics.
Opificio delle pietre dure.
Princeton subject headings:
Marquetry.
Mosaics.
Opificio delle pietre dure.