Columbia subject headings:
Buddhism--China--History--To 581.
Buddhism--India--History.
China--Foreign economic relations.
India--Foreign economic relations.
Trade routes--Asia.
Harvard subject headings:
Buddhism--China
Buddhism--India
China--Commerce--India--History.
China--Relations--India.
India--Commerce--China--History.
India--Relations--China.
Princeton subject headings:
Buddhism--China--History--To 581.
Buddhism--India--History--To 581.
China--Foreign economic relations.
India--Foreign economic relations.
Trade routes--Asia.