Columbia subject headings:
Buddhism--Doctrines--History--Comparative studies.
Buddhism--History--Comparative studies.
Buddhism--History.
Buddhism--India--History.
Harvard subject headings:
Buddhism--Doctrines--History--Comparative studies.
Buddhism--History
Buddhism--History--Comparative studies.
Buddhism--India--History
Princeton subject headings:
Buddhism--Doctrines--History--Comparative studies.
Buddhism--History--Comparative studies.
Buddhism--History.
Buddhism--India--History.