Columbia subject headings:
Art, Medieval--Collectors and collecting--Italy--Bologna--History--18th century.
Art, Medieval--Conservation and restoration--Italy--Bologna--History--18th century.
Painting, Italian--Italy--Bologna.
Painting, Medieval--Italy--Bologna.
Harvard subject headings:
Art--Collectors and collecting--Italy--Bologna--History--18th century.
Art--Conservation and restoration--Italy--Bologna--History--18th century.
Painting, Gothic--Italy--Bologna.
Painting, Italian--Italy--Bologna.
Painting, Medieval--Italy--Bologna.
Painting--Conservation and restoration--Italy--History--18th century.
Princeton subject headings:
Art, Medieval--Collectors and collecting--Italy--Bologna--History--18th century.
Art, Medieval--Conservation and restoration--Italy--Bologna--History--18th century.
Painting, Italian--Italy--Bologna.
Painting, Medieval--Italy--Bologna.