Columbia subject headings:
Bologna (Italy)--Church history.
Bologna (Italy)--Social conditions.
Confraternities--Italy--Bologna--History.
Harvard subject headings:
Bologna (Italy)--Church history.
Confraternities--Italy--Bologna--History.
Princeton subject headings:
Bologna (Italy)--Church history.
Bologna (Italy)--Social conditions.
Confraternities--Italy--Bologna--History.