Columbia subject headings:
Art, Medieval--Italy--Bologna--Exhibitions.
Harvard subject headings:
Architecture, Medieval--Italy--Bologna--Exhibitions.
Art, Italian--Italy--Bologna--Exhibitions.
Art, Medieval--Italy--Bologna--Exhibitions.
Bologna (Italy)--Buildings, structures, etc.--Exhibitions.
Bologna (Italy)--Civilization--Exhibitions.
Christian art and symbolism--Italy--Bologna--Medieval, 500-1500--Exhibitions.
Illumination of books and manuscripts, Italian--Italy--Bologna--Exhibitions.
Princeton subject headings:
Architecture, Medieval--Italy--Bologna--Exhibitions.
Architecture--Italy--Bologna--Exhibitions.
Art, Italian--Italy--Bologna--Exhibitions.
Art, Medieval--Italy--Bologna--Exhibitions.
Bologna (Italy)--Buildings, structures, etc.--Exhibitions.
Christian art and symbolism--Medieval, 500-1500--Italy--Bologna--Exhibitions.