Columbia subject headings:
Banks and banking--Italy--Bologna--History--To 1500.
Bologna (Italy)--Economic conditions.
Credit--Italy--Bologna--History--To 1500.
Usury--Italy--Bologna--History--To 1500.
Harvard subject headings:
Banks and banking--Italy--Bologna--History--To 1500.
Bologna (Italy)--Economic conditions
Credit--Italy--Bologna--History--To 1500.
Usury--Italy--Bologna--History--To 1500.
Princeton subject headings:
Banks and banking--Italy--Bologna--History--To 1500.
Bologna (Italy)--Economic conditions.
Credit--Italy--Bologna--History--To 1500.
Usury--Italy--Bologna--History--To 1500.