Columbia subject headings:
Bologna (Italy)--History--Papal rule, 1506-1797.
Bologna (Italy)--Politics and government.
Church and state--Italy--Bologna.
Harvard subject headings:
Bologna (Italy)--History--Papal rule, 1506-1797.
Bologna (Italy)--Politics and government.
Church and state--Italy--Bologna.
Princeton subject headings:
Bologna (Italy)--History--Papal rule, 1506-1797.
Church and state--Italy--Bologna--History.