Columbia subject headings:
Harvard subject headings:
Capitalism--India--Assam--History--19th century.
Migrant labor--India--Assam--History--19th century.
Slave labor--India--Assam--History--19th century.
Tea plantation workers--India--Assam--History--19th century.
Tea plantation workers--Recruiting--India--Assam--History--19th century.
Tea plantations--India--Assam--History--19th century.
Tea trade--India--Assam--History--19th century.
Princeton subject headings:
Labor--India--History.
Tea trade--India--Assam--History.
Working class--India--History.