Columbia subject headings:
India--History--324 B.C.-1000 A.D.
India--History--Maurya dynasty, ca. 322 B.C.-ca. 185 B.C.
Harvard subject headings:
India--History--324 B.C.-1000 A.D.
India--History--Maurya dynasty, ca. 322 B.C.-ca. 185 B.C.
Princeton subject headings:
India--History--324 B.C.-1000 A.D.