Columbia subject headings:
Bologna (Italy)--Buildings, structures, etc.
Cemeteries--Italy--Bologna--History.
Cimiterio della Certosa (Bologna, Italy)--History.
Funeral rites and ceremonies--Italy--Bologna--History.
Harvard subject headings:
Bologna (Italy)--Buildings, structures, etc.
Cemeteries--Italy--Bologna--History.
Cimiterio della Certosa (Bologna, Italy)--History.
Funeral rites and ceremonies--Italy--Bologna--History.
Princeton subject headings: