Columbia subject headings:
Prehistoric peoples--South Asia--Congresses.
South Asia--Antiquities--Congresses.
Harvard subject headings:
Antiquities, Prehistoric--South Asia--Congresses.
Prehistoric peoples--South Asia--Congresses.
South Asia--Antiquities--Congresses.
Princeton subject headings:
Prehistoric peoples--South Asia--Congresses.
South Asia--Antiquities--Congresses.