Columbia subject headings:
China--Description and travel.
Fortune, Robert, 1813-1880--Travel--China.
Tea trade--China--History--19th century.
Tea trade--Great Britain--History--19th century.
Tea--China.
Tea--Great Britain.
Harvard subject headings:
Business intelligence--Great Britain--History--19th century.
China--Description and travel.
East India Company--History--19th century.
Fortune, Robert, 1813-1880--Travel--China.
Himalaya Mountains--Description and travel.
Spies--Great Britain--Biography.
Tea trade--China--History--19th century.
Tea trade--Great Britain--History--19th century.
Tea--China--History--19th century.
Tea--Great Britain--History--19th century.
Princeton subject headings: