Columbia subject headings:
Bactria--History.
Greeks--India.
Hellenism.
India--History--To 324 B.C.
Harvard subject headings:
Bactria--History.
Greeks--India.
Hellenism.
India--History--To 324 B.C.
Princeton subject headings:
Bactria--History.
Greeks--India.
Hellenism.
India--History.