1762 Apr. 172/1 Tho' we were offered the opium trade in the same manner as saltpetre, we would not accept it.
1840 H. Malcom 50/1 No person can describe the horrors of the opium trade.
1992 R. Gunesekera 96 He had no idea about..the ganja garden, the opium trade, the big black economy at the back of the house.