"Local, Global and Plural Constitutionalism: Europe Meets the World"
- International and Comparative Law
- Constitutional Law
The Worlds of European Constitutionalism
2012
American Journal of International Law
2012
Federalism and Legal Unification: A Comparative Empirical Investigation of Twenty Systems
- International and Comparative Law
2012
"Top-Down or Bottom-Up? A Look at the Unification of Private Law in Federal Systems"
- International and Comparative Law
The Foundations of European Private Law
2011
"Les << autorités administratives indépendantes >> en Allemagne, en France et aux États-Unis: un complément à la Constitution"
- International and Comparative Law
Le modèle des autorités de régulation indépendantes en France et en Allemagne
2011
The Past and Future of EU Law: The Classics of EU Law Revisited on the 50th Anniversary of the Rome Treaty
2010
"The United Nations, the European Union, and the King of Sweden: Economic Sanctions and Individual Rights in a Plural World Order"
- International and Comparative Law
Common Market Law Review
2009
"Constitutional Heterarchy: The Centrality of Conflict in the European Union and the United States"
- International and Comparative Law
- Constitutional Law
Ruling the World? Constitutionalism, International Law and Global Governance
2009
"The Bride of Messina: Constitutionalism and Democracy in Europe"
- International and Comparative Law
- Constitutional Law
European Law Review
2005
"Gerichtliche Zusammenarbeit im föderalen System der USA: Ein rechtsvergleichender Beitrag zur Diskussion über die Gerichtsreform in der Europäischen Union (Symposium: Europäische Gerichtsbarkeit: Erfahrungen und Reformdiskussion im Lichte des europäischen"
- International and Comparative Law
- Constitutional Law
Rabels Zeitschrift für ausländisches und internationales Privatrecht
2002
"Comparative Federalism and the Issue of Commandeering"
- International and Comparative Law
- Constitutional Law
The Federal Vision: Legitimacy and Levels of Governance in the United States and the European Union
2001
"State Autonomy in Germany and the United States"
- International and Comparative Law
- Constitutional Law
Annals of the American Academy of Political and Social Science
2001