Columbia subject headings:
Giovanni, da Milano, active 14th century. Polittico d'Ognissanti--Exhibitions.
Painting, Gothic--Conservation and restoration--Italy--Florence--Exhibitions.
Polyptychs--Conservation and restoration--Italy--Florence--Exhibitions.
Harvard subject headings:
Altarpieces, Italian--Conservation and restoration--Italy--Florence.
Altarpieces, Italian--Italy--Florence.
Galleria degli Uffizi
Giovanni, da Milano, active 14th century. Ognissanti polyptych.
Painting, Gothic--Italy--Florence.
Panel painting, Italian--Conservation and restoration--Italy--Florence.
Panel painting, Italian--Italy--Florence--14th century.
Princeton subject headings:
Altarpieces, Italian--Conservation and restoration--Italy--Florence.
Giovanni, da Milano, active 14th century. Ognissanti polyptych.
Panel painting, Italian--Conservation and restoration--Italy--Florence.