Columbia subject headings:
Incrustation (Stone carving)--Italy--Florence--Early works to 1800.
Precious stones--Italy--Florence--Early works to 1800.
Harvard subject headings:
Incrustation (Stone carving)--Italy--Florence--Early works to 1800.
Precious stones--Italy--Florence--Early works to 1800.
Princeton subject headings:
Incrustation (Stone carving)--Italy--Florence--Early works to 1800.
Precious stones--Italy--Florence--Early works to 1800.