1. Ashworth, A. (2000). Is criminal law a lost cause. Law Quarterly Review, 116, 225–256.
2. Barker, V. (2004). The politics of punishing: A comparative historical analysis of American democracy and punishment variation, 1965-present (Doctoral dissertation).
3. Barker, V. (2006). The politics of punishing: Building a state governance theory of American imprisonment variation. Punishment and Society, 8, 5–32.
4. Beccaria, C. (1764; Edward Ingraham trans. 1819). An essay on crimes and punishment. Philadelphia: Philip H. Nicklin.
5. Blackstone, W. (1769). Commentaries on the laws of England (Vol. 4). Chicago: University of Chicago Press.