Columbia subject headings:
Athens (Greece)--Politics and government--Congresses.
Greece--Politics and government--To 146 B.C.--Congresses.
Harvard subject headings:
Athens (Greece)--Civilization--Political aspects--Congresses.
Athens (Greece)--Politics and government--Congresses.
Democracy--Greece--Athens--History--To 1500--Congresses.
Greece--History--Athenian supremacy, 479-431 B.C.--Congresses.
Princeton subject headings: