Columbia subject headings:
Art, Italian--Italy, Northern--Exhibitions.
Art, Modern--Italy, Northern--Exhibitions.
Ravenna (Italy : Province). Azienda unità sanitaria locale--Art collections--Exhibitions.
Harvard subject headings:
Art, Italian--Italy, Northern--Exhibitions.
Ravenna (Italy : Province). Azienda unità sanitaria locale--Art collections--Exhibitions.
Princeton subject headings:
Art, Italian--Italy, Northern--Exhibitions.
Art, Modern--Italy, Northern--Exhibitions.
Ravenna (Italy : Province). Azienda unità sanitaria locale--Art collections--Exhibitions.