Columbia subject headings:
Harvard subject headings:
Arts, Gothic--Italy--Bologna--Exhibitions.
Arts, Italian--Italy--Bologna--14th century--Exhibitions.
Giotto, 1266?-1337--Exhibitions.
Princeton subject headings:
Art, Italian--Italy--Bologna--14th century--Exhibitions.
Art, Medieval--Italy--Bologna--Exhibitions.
Giotto, 1266?-1337--Exhibitions.