Cambridge University Press · Oxford University Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Hans Kelsen's Pure Theory of Law: Legality and Legitimacy | 978-0-19-922795-2 (0-19-922795-0) | 2007 |
| The Guardian of the Constitution: Hans Kelsen and Carl Schmitt on the Limits of Constitutional Law | 978-1-107-09268-6 (1-107-09268-X) | 2015 |