Columbia subject headings:
Harvard subject headings:
Bologna (Italy)--Social life and customs--20th century--Exhibitions.
Sports--Italy--Bologna--History--20th century--Exhibitions.
Sports--Italy--Bologna--History--20th century--Sources--Exhibitions.
Princeton subject headings:
Bologna (Italy)--Social life and customs--20th century--Exhibitions.
Sports--Italy--Bologna--History--20th century--Exhibitions.
Sports--Italy--Bologna--History--20th century--Sources--Exhibitions.