Columbia subject headings:
Jute industry workers--India--Kolkata--History--19th century.
Jute industry workers--India--Kolkata--History--20th century.
Harvard subject headings:
Jute industry workers--India--Kolkata--History--19th century.
Jute industry workers--India--Kolkata--History--20th century.
Princeton subject headings:
Jute industry workers--India--Calcutta--History--19th century.
Jute industry workers--India--Calcutta--History--20th century.