Columbia subject headings:
Art, Italian--Catalogs.
Art, Medieval--Italy--Catalogs.
Art--Italy--Bologna--Catalogs.
Museo civico medievale di Bologna--Catalogs.
Harvard subject headings:
Art, Italian--Catalogs
Art, Medieval--Italy--Catalogs.
Art--Italy--Bologna--Catalogs.
Museo civico medievale di Bologna--Catalogs.
Princeton subject headings:
Art, Medieval--Guidebooks.
Art--Italy--Bologna--Guidebooks.
Museo civico medievale di Bologna (Italy)--Guidebooks.