Columbia subject headings:
Greece--Politics and government--To 146 B.C.--Congresses.
Peace--History--Congresses.
Peace-building--Greece--History--Congresses.
Peace-building--History--Congresses.
Harvard subject headings:
Greece--History--To 146 B.C.--Congresses.
Peace--History--Congresses.
War--History--Congresses.
Princeton subject headings:
Greece--Politics and government--To 146 B.C.--Congresses.
Peace--History--Congresses.
Peace-building--Greece--History--Congresses.
Peace-building--History--Congresses.