1. Anderson, B. (1998). The spectre of comparisons: Nationalism, Southeast Asia and the world. London: Verso.
2. Berridge, V. a., & Edwards, G. (1987). Opium and the people: Opiate use in nineteenth century England. New Haven: Yale University Press.
3. Booth, M. (1996). Opium: A history. London: Simon & Schuster Ltd.
4. Jiggens, J. (2004). Marijuana Australiana: Cannabis use, popular culture and the Americanisation of drugs policy and organised crime in Australia 1938 to 1988. School of Humanities and Social Sciences. Brisbane, Australia, Queensland University of Technology. Ph.D.
5. Marshall, J. (1976). Opium and the politics of Gangsterism in nationalist China, 1927–1945. Bulletin of Concerned Asian Scholars, 8(3), 19–48.