Columbia subject headings:
Altarpieces, Italian--Conservation and restoration--Italy--Bologna.
Giotto, 1266?-1337. Badia Altarpiece.
Pinacoteca di Bologna.
Harvard subject headings:
Giotto, 1266?-1337. Badia Altarpiece.
Panel painting, Gothic--Expertising--Italy--Bologna.
Panel painting, Italian--Expertising--Italy--Bologna.
Pinacoteca nazionale (Bologna, Italy)
Polyptychs--Conservation and restoration--Italy--Bologna.
Princeton subject headings:
Altarpieces, Italian--Italy--Bologna.
Arts, Italian--Italy--Bologna--14th century.
Giotto, 1266?-1337.
Pinacoteca nazionale (Bologna, Italy)