Columbia subject headings:
Assam (India)--Economic conditions.
Assam (India)--Social conditions.
Tea plantation workers--India--Dibrugarh.
Tea plantation workers--India--Sibsāgar (District)
Harvard subject headings:
Assam (India)--Economic conditions.
Assam (India)--Social conditions.
Tea plantation workers--India--Dibrugarh.
Tea plantation workers--India--Sibsāgar (District)
Princeton subject headings: