Columbia subject headings:
Architecture, Renaissance--Italy--Bologna.
Architecture--Italy--Bologna.
Bologna (Italy)--Buildings, structures, etc.
Urbanization--Italy--Bologna--History.
Harvard subject headings:
Architecture, Renaissance--Italy--Bologna.
Architecture--Italy--Bologna.
Bologna (Italy)--Buildings, structures, etc.
Urbanization--Italy--Bologna--History.
Princeton subject headings:
Architecture, Renaissance--Italy--Bologna.
Architecture--Italy--Bologna.
Bologna (Italy)--Buildings, structures, etc.
Urbanization--Italy--Bologna--History.