Columbia subject headings:
Painting--Conservation and restoration--Italy--Florence--History--18th century.
Painting--Conservation and restoration--Italy--Florence--History--19th century.
Harvard subject headings:
Painting--Conservation and restoration--Italy--Florence--History--18th century.
Painting--Conservation and restoration--Italy--Florence--History--19th century.
Princeton subject headings:
Painting--Conservation and restoration--Italy--Florence--History--18th century.
Painting--Conservation and restoration--Italy--Florence--History--19th century.