1. Ackerman, Bruce: “Neo-federalism?”, in: Jon Elster and Rune Slagstad (Eds.): Constitutionalism and Democracy, Cambridge (Cambridge University Press and Norwegian University Press) 1988, pp. 153–194.
2. Acton: “Nationality”, in: J. N. Figgis (Ed.): The History of Freedom and Other Essays, London (Macmillan) 1907.
3. Barry, Brian: Theories of Justice: A Treatise on Social Justice, Vol. 1, Berkeley (University of California Press) 1989.
4. Barry, Brian: “Is Democracy Special?”, in: Democracy and Power. Essays in Political Theory 1, Oxford (Oxford University Press) 1991, pp. 24–60.
5. Beam, David R., Timothy J. Conlan, and David Walker: “Federalism: The Challenge of Conflicting Theories and Contemporary Practice”, in: Adam W. Finifter (Ed.): Political Science: The State of the Discipline, Washington, D.C. (American Political Science Association) 1984.