Columbia subject headings:
Greece--History--To 146 B.C.
Greece--Politics and government--To 146 B.C.
Greek mercenaries.
Harvard subject headings:
Greece--History--Macedonian Hegemony, 323 B.C.-281 B.C.
Mercenary troops--Greece.
Princeton subject headings:
Greece--History--To 146 B.C.
Greece--Politics and government--To 146 B.C.
Greek mercenaries.
Mercenary troops--Greece--History.