Columbia subject headings:
Greece--History--281-146 B.C.
Hellenism.
Imperialism.
Rome--History--Republic, 265-30 B.C.
Harvard subject headings:
Greece--History--281 B.C.-146 B.C.
Hellenism.
Rome--History--Republic, 265 B.C.-30 B.C.
Princeton subject headings:
Greece--History--281-146 B.C.
Hellenism.
Imperialism.
Rome--History--Republic, 265-30 B.C.