1. Advisory Council on the Misuse of Drugs (ACMD). (2002). The classification of cannabis under the Misuse of Drugs Act 1971. Home Office.
2. Advisory Council on the Misuse of Drugs (ACMD). (2005). Further consideration of the classification of can-nabis under the Misuse of Drugs Act 1971.
3. Advisory Council on the Misuse of Drugs (ACMD). (2008). Cannabis: Classification and public health. Home Office.
4. Berridge, V. (1978a). Victorian opium eating: Responses to opiate use in nineteenth-century England. Victorian Studies, 21(4), 437–461.
5. Berridge, V. (1978b). Opium eating and the working class in the nineteenth century: The public and official reaction. British Journal of Addiction to Alcohol & Other Drugs, 73(1), 107–112.