1. Ackermann, Thomas. 2007. Der Schutz des negativen Interesses. Tübingen: Mohr Siebeck.
2. Afilalo, Ari, Dennis Patterson, and Kai Purnhagen. forthcoming 2013. Statecraft, the Market State and the Development of European Legal Culture. In Towards a European Legal Culture, eds. Geneviève Helleringer and Kai Purnhagen. Munich/Oxford/Baden-Baden: C.H. Beck/Hart/Nomos.
3. Alexander, Gregory. 2002. Comparing the Two Legal Realisms - American and Scandinavian. The American Journal of Comparative Law 50: 131 et seqq.
4. Bengoetxea, Joxerramon. 1994. Legal System as a Regulative Ideal. In Praktische Vernunft und Rechtsanwendung, ARSP-Beiheft, eds. Hans-Joachim Koch and Ulfried Neumann. Vol. 53, pp. 65 et seqq. Stuttgart: Franz Steiner Verlag.
5. Blaug, Mark. 1980. The Methodology of Economics – or How Economists Explain. Cambridge: Cambridge University Press.