Columbia subject headings:
Basilica di San Francesco (Bologna, Italy)--Exhibitions.
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration--Exhibitions.
Christian art and symbolism--Conservation and restoration--Italy--Bologna--Exhibitions.
Church architecture--Conservation and restoration--Italy--Bologna--Exhibitions.
Rubbiani, Alfonso--Criticism and interpretation--Exhibitions.
Harvard subject headings:
Basilica di San Francesco (Bologna, Italy)--Exhibitions.
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration--Exhibitions.
Christian art and symbolism--Conservation and restoration--Italy--Bologna--Exhibitions.
Church architecture--Conservation and restoration--Italy--Bologna--Exhibitions.
Rubbiani, Alfonso--Criticism and interpretation--Exhibitions.
Princeton subject headings:
Basilica di San Francesco (Bologna, Italy)--Exhibitions.
Bologna (Italy)--Buildings, structures, etc.--Conservation and restoration--Exhibitions.
Christian art and symbolism--Conservation and restoration--Italy--Bologna--Exhibitions.
Church architecture--Conservation and restoration--Italy--Bologna--Exhibitions.
Rubbiani, Alfonso--Criticism and interpretation--Exhibitions.