Columbia subject headings:
Harvard subject headings:
Architecture--Italy--Bologna--Conservation and restoration--Exhibitions.
Art, Italian--Italy--Bologna--Exhibitions.
Art, Modern--19th century--Italy--Bologna--Exhibitions.
Rubbiani, Alfonso--Exhibitions.
Princeton subject headings:
Architecture and history--Italy--Exhibitions.
Architecture--Italy--Conservation and restoration--Exhibitions.
Art nouveau--Influence--Exhibitions.
Rubbiani, Alfonso--Exhibitions.