A Constitution for Europe
par Peter Bernholz 2004
European Constitutional Group

A liberal view on a European Constitution
par Angelo Petroni
Centro Einaudi

Competitive Federalism: the Case of the European Union
par Norman Barry 2001
Centre for the New Europe

A federal European Constitution for an enlarged European Union: Insights from Constitutional Economics
par Friedrich Schneider 2001
Open Republic Institute

A View from New Europe
par Hynek Fajmon 2003
The Bruges Group

Europe's New Political Geography
par Charles Grant 2004
Center for European Reform