Columbia subject headings:
Harvard subject headings:
France--Colonies--Asia
France--Colonies--Asia--History.
French--China--Zhanjiang Shi--History.
Opium trade--China--Zhanjiang Shi--History.
Opium trade--China--Zhanjiang Shi.
Princeton subject headings:
France--Colonies--Asia.
French--China--Zhanjiang Shi--History.
Opium trade--China--Zhanjiang Shi.
Zhanjiang Shi (China)--History.