1 The Pykewater Library W. D. S. Pennington Kelsen, Hans (1881 – 1973) Dyzenhaus, David. Legality and Legitimacy: Carl Schmitt, Hans Kelsen and Hermann Heller in Weimar. New York, NY: Oxford University Press, 1999. Kelsen, Hans. The Essence and Value of Democracy. Ed. Nadia Urbinati and Carlo Invernizzi Accetti. Trans. Brian Graf. Lanham, MD: Rowman and Littlefield, 2013. Kelsen, Hans. General Theory of Law and State. Trans. Anders Wedberg. Clark, NJ: The Lawbook Exchange, 2007. Kelsen, Hans. General Theory of Norms. Trans. Michael Hartney. New York, NY: Clarendon/Oxford University Press, 1991. Kelsen, Hans. Introduction to the Problems of Legal Theory: A Translation of the First Edition of the Reine Rechtslehre or Pure Theory of Law. Trans. Bonnie Litschewski Paulson and Stanley L. Paulson. New York, NY: Clarendon/Oxford University Press, 1992. Kelsen, Hans. Principles of International Law. Trans. Robert W. Tucker. Clark, NJ: The Lawbook Exchange, 2012. Kelsen, Hans. Pure Theory of Law. Trans. Max Knight. Clark, NJ: The Lawbook Exchange, 2009. Kelsen, Hans. What is Justice?: Justice, Law and Politics in the Mirror of Science: Collected Essays by Hans Kelsen. Unknown trans. Clark, NJ: The Lawbook Exchange, 2014. Vinx, Lars. The Guardian of the Constitution: Hans Kelsen and Carl Schmitt on the Limits of Constitutional Law. New York, NY: Cambridge University Press, 2015. Vinx, Lars. Hans Kelsen’s Pure Theory of Law: Legality and Legitimacy. New York, NY: Oxford University Press, 2007.