Columbia subject headings:
Benedict XIV, Pope, 1675-1758--Art patronage.
Cathedrals--Conservation and restoration--Italy--Bologna.
Chiesa cattedrale e metropolitana di San Pietro (Bologna, Italy)
Harvard subject headings:
Benedict XIV, Pope, 1675-1758--Art patronage.
Bologna (Italy)--Buildings, structures, etc.
Chiesa cattedrale e metropolitana di San Pietro (Bologna, Italy)
Church decoration and ornament--Italy--Bologna.
Facades--Conservation and restoration--Italy--Bologna.
Facades--Italy--Bologna.
Princeton subject headings:
Benedict XIV, Pope, 1675-1758--Art patronage.
Bologna (Italy)--Buildings, structures, etc.
Chiesa cattedrale e metropolitana di San Pietro (Bologna, Italy)
Church decoration and ornament--Italy--Bologna.
Facades--Conservation and restoration--Italy--Bologna.
Facades--Italy--Bologna.