Opium question   Creator:   Warren, Samuel, 1807-1877 ( Author, Primary ) Publication Date:   1840 Publisher:   James Ridgeway ( London ) Type:   Book Format:   [iv], 130 p. ; 22 cm. Source Institution:   SOAS University of London Holding Location:   SOAS, University of London Subject Keyword:   Opium trade -- China -- History -- 19th century China -- History -- Opium War, 1840-1842 中国鸦片史 中國鴉片史 鴉片貿易 Spatial Coverage:   Asia -- China 亞洲 -- 中國 亚洲 -- 中国 Language:   English Opium question