Columbia subject headings:
Harvard subject headings:
Giotto, 1266?-1337. Badia Altarpiece.
Painting--Conservation and restoration--Italy--Florence.
Princeton subject headings:
Giotto, 1266?-1337--Criticism and interpretation.
Panel painting, Italian--13th century.
Panel painting--Conservation and restoration--Italy--Florence.
Polyptychs--Conservation and restoration--Italy--Florence.