Columbia subject headings:
Alcoholism--South Asia--History.
Drug traffic--South Asia--History.
South Asia--Social life and customs.
South Asians--Drug use--History.
Substance abuse--South Asia--History.
Harvard subject headings:
Alcoholism--South Asia--History.
Drug traffic--South Asia--History.
South Asia--Social life and customs.
South Asians--Drug use--History.
Substance abuse--South Asia--History.
Princeton subject headings:
Alcoholism--South Asia--History.
Drug traffic--South Asia--History.
South Asia--Social life and customs.
South Asians--Drug use--History.
Substance abuse--South Asia--History.