Columbia subject headings:
Bologna (Italy)--Buildings, structures, etc.
College buildings--Italy--Bologna--History.
Università di Bologna--Buildings--History.
Università di Bologna--History.
Harvard subject headings:
Bologna (Italy)--Buildings, structures, etc.
College buildings--Italy--Bologna--History.
Università di Bologna--Buildings--History.
Università di Bologna--History.
Princeton subject headings:
Bologna (Italy)--Buildings, structures, etc.
College buildings--Italy--Bologna--History.
Università di Bologna--Buildings--History.
Università di Bologna--History.