Columbia subject headings:
Democracy--Greece--History--To 1500--Congresses.
Greece--Politics and government--To 146 B.C.--Congresses.
Harvard subject headings:
Democracy--Greece--History--To 1500--Congresses.
Greece--Politics and government--To 146 B.C.--Congresses.
Princeton subject headings:
Democracy--Greece--History--To 1500--Congresses.
Greece--Politics and government--To 146 B.C.--Congresses.