Friedrich Hegel (1770-1831) sabía mucho sobre esto. Véase su Filosofía del derecho, ss 142 y 182
Guy LAFoReST, “The Historical and Legal origins of Asymmetrical Federalism in Canada´s Founding Debates: A Brief Interpretative Note”: Asymmetry...
Immanuel Kant (Idee zu einer allgemeinen Geschichte in weltbürgerlicher Absicht, 1784)
Michael WALZeR, Vernunft, Politik und Leidenschaft, Fischer Taschenbuch Verlag, Frankfurt am Main, 1999.
PLATóN, “Protágoras”, en Diálogos, vol. I, Gredos, Madrid, 1981, 320d-322d.
Ronald L. WATTS, “A Comparative Perspective on Asymmetry in Federations”: Asymmetry Series, n.º 4 (2005), http://www.queensu.ca/iigr/working/asymmetricfederalism/...
Ronald L. WATTS, Comparing Federal Systems, MacGillquenn ´s university Press, Montreal and Kingston, 1999.
Thomas HueGLIN, “Federalism at the Crossroads: old Meanings, New Significance”: Canadian Journal of Political Science, vol. 36, n.º 2 (2003).
Ugo M. AMoReTTI y Nancy BeRMeo (eds.), Federalism and Territorial Cleavages, johns Hopkins university Press, Baltimore, 2004;
Will KYMLICKA y Wayne NoRMAN, Citizenship in Diverse Societies, oxford university Press, oxford, New York, 2000;