Books
C. Bickerton, European Integration: From Nation-State to Member State (OUP, 2012)
M. Burgess, Federalism and the European Union: The Building of Europe 1950–2000 (Routledge, 2000)
P. Eleftheriadis, A Union of Peoples (Oxford University Press, 2020)
M. Forsyth, Unions of States: Theory and Practice of Confederation (Leicester University Press, 1981)
P. Hay, Federalism and Supranational Organisations (University of Illinois Press, 1966)
D. Kochenov (ed.), EU Citizenship and Federalism: The Role of Rights (CUP, 2017)
G. Morgan, The Idea of a European Superstate: Public Justification and European Integration (Princeton University Press, 2005)
P. Pescatore, The Law of Integration: Emergence of a New Phenomenon in International Relations, Based on the Experience of the European Communities (Sijthoff, 1974)
S. Rehling Larsen, The Constitutional Theory of the Federation and the European Union (Oxford University Press, 2021)
J. Weiler, The Constitution of Europe (Cambridge University Press, 1999)
Articles (and Chapters)
B. Guastaferro, Sincere Cooperation and Respect for National Identities, in: R. Schütze and T. Tridimas, Oxford Principles of European Union Law—Volume I (OUP, 2018), 350
G. Duke, ‘European Constitutionalism and Constituent Power’ (2019) 44 EL Rev. 50
D. Grimm, ‘Does Europe Need a Constitution?’ (1995) 1 ELJ 282
T. Hartley, ‘International Law and the Law of the European Union’ (2001) 72 British Yearbook of International Law 1
K. Lenaerts, ‘Federalism: Essential Concepts in Evolution—The Case of the European Union’ (1998) 21 Fordham International Law Journal 746
C. Schmitt, ‘Constitutional Theory of the Federation’ in Constitutional Theory (Duke University Press, 2008), Part IV
R. Schütze, ‘Constitutionalism and the European Union’ in C. Barnard and S. Peers (eds), European Union Law (Oxford University Press, 2023), 75
R. Schütze, ‘Models of Demoicracy: Some Preliminary Thoughts’, EUI Working Paper Law 2020/08
B. de Witte, ‘The European Union as an International Legal Experiment’ in: G. de Búrca and J.H.H. Weiler (eds.), The Worlds of European Constitutionalism (Cambridge University Press, 2012), 19
D. Wyatt, ‘New Legal Order, or Old?’ (1982) 7 EL Rev. 147
