Taylor Wallbank; Bailkey; Jewsbury; Lewis; Hackett. A Short History of the Opium Wars. Civilizations Past And Present. Chapter 29: "South And East Asia, 1815–1914". 1992 [2024-03-03]. (原始内容存档于2017-12-27) –通过Schaffer Library of Drug Policy.
Taylor Wallbank; Bailkey; Jewsbury; Lewis; Hackett. A Short History of the Opium Wars. Civilizations Past And Present. Chapter 29: "South And East Asia, 1815–1914". 1992 [2024-03-03]. (原始内容存档于2017-12-27) –通过Schaffer Library of Drug Policy.