Columbia subject headings:
Bologna (Italy)--Buildings, structures, etc.--Exhibitions.
Palaces--Conservation and restoration--Italy--Bologna--Exhibitions.
Palazzo Poggi (Bologna, Italy)--Exhibitions.
Harvard subject headings:
Bologna (Italy)--Buildings, structures, etc.--Exhibitions.
Palaces--Italy--Bologna--Conservation and restoration--Exhibitions.
Palazzo Poggi (Bologna, Italy)--Exhibitions.
Università di Bologna--Buildings--Exhibitions.
Princeton subject headings:
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration.
Palazzo Poggi (Bologna, Italy)--Conservation and restoration.