Columbia subject headings:
Harvard subject headings:
Art, Baroque--Italy--Bologna--Congresses.
Art, Baroque--Italy--Emilia-Romagna--Congresses.
Art, Italian--Italy--Bologna--Congresses.
Art, Italian--Italy--Emilia-Romagna--Congresses.
Art, Renaissance--Italy--Bologna--Congresses.
Art, Renaissance--Italy--Emilia-Romagna--Congresses.
Princeton subject headings:
Art, Baroque--Italy--Bologna--Congresses.
Art, Baroque--Italy--Emilia-Romagna--Congresses.
Art, Italian--Italy--Bologna--Congresses.
Art, Italian--Italy--Emilia-Romagna--Congresses.
Art, Renaissance--Italy--Bologna--Congresses.
Art, Renaissance--Italy--Emilia-Romagna--Congresses.