1. Hart, H. L. A. 1963.Punishment and Responsibility231–237.
2. Kant, I. 1991.Metaphysical First Principles of the Doctrine of Right, Ak.Edited by: Gregor, M. 332
3. Kant, I. 1965.Metaphysical Elements of Justice, Ak.Edited by: Ladd, J. 333 emphasis mine
4. Rawls, J. 1971.A Theory of Justice19