1. Aarnio, Aulis, Alexy Robert, and Peczenik Aleksander. 1981. The Foundation of Legal Reasoning. Rechtstheorie 21: 133–158.
2. Aarnio, Aulis. 1979. Linguistic Philosophy and Legal Theory: Some Problems of Legal Argumentation. Rechtstheorie beiheft n.1, 17–41.
3. Aarnio, Aulis. 1987. The Rational as Reasonable. A Treatise on Legal Justification. Dordrecht: Reidel.
4. Alexy, Robert. 1989. A Theory of Legal Argumentation. Oxford: Clarendon Press.
5. Alexy, Robert. 2002. The Argument from Injustice. Oxford: Oxford University Press.