Columbia subject headings:
Consensus (Social sciences)--Italy--History--To 1500.
Consensus (Social sciences)--Political aspects--Italy.
Italy--Politics and government--476-1492.
Legitimacy of governments--Italy--History--To 1500.
Harvard subject headings:
Consensus (Social sciences)--Europe--History--To 1500--Congresses.
Europe--Politics and government--476-1492--Congresses.
Legitimacy of governments--Europe--History--To 1500--Congresses.
Political culture--Europe--History--To 1500--Congresses.
Princeton subject headings:
Consensus (Social sciences)--Europe--History--To 1500--Congresses.
Europe--Politics and government--476-1492--Congresses.
Legitimacy of governments--Europe--History--To 1500--Congresses.
Political culture--Europe--History--To 1500--Congresses.