Columbia subject headings:
Bologna (Italy)--History--To 1506.
Bologna (Italy)--Politics and government.
Despotism--Italy--Bologna--History--To 1500.
Paul II, Pope, 1417-1471.
Popes--Temporal power.
Harvard subject headings:
Bologna (Italy)--Church history.
Bologna (Italy)--History--To 1506
Bologna (Italy)--Politics and government.
Despotism--Italy--Bologna--History--To 1500.
Paul II, Pope, 1417-1471.
Popes--Temporal power
Princeton subject headings:
Bologna (Italy)--Church history.
Bologna (Italy)--History--To 1506.
Bologna (Italy)--Politics and government.
Despotism--Italy--Bologna--History--To 1500.
Paul II, Pope, 1417-1471.
Popes--Temporal power.