Columbia subject headings:
Civilization, Classical--Congresses.
Power (Social sciences)--History--To 1500--Congresses.
Social control--History--To 1500--Congresses.
Harvard subject headings:
Princeton subject headings:
Civilization, Classical--Congresses.
Power (Social sciences)--History--To 1500--Congresses.
Social control--History--To 1500--Congresses.