¹ First published in English in Georg Simmel, The Sociology of Georg Simmel, trans., ed. and with an introd. by Kurt H. Wolff (New York: Free Press, 1950, originally published in German in 1908), 402–8.

² Collinson, Sarah, Europe and International Migration (London: Pinter Publishers, 1993)Google Scholar; Geddes, Andrew, Immigration and European Integration: Towards Fortress Europe? (Manchester: Manchester University Press, 2000)Google Scholar; Guiraudon, Virginie and Joppke, Christian, eds., Controlling a New Migration World (Liste document London: Routledge, 2001)Google Scholar.

³ Aleinikoff, Alex and Chetail, Vincent, eds., Migration and International Legal Norms (The Hague: TMC Hacer Press, 2003)CrossRefGoogle Scholar.

⁴ Torpey, John, The Invention of the Passport Surveillance, Citizenship, and the State (Cambridge: Cambridge University Press, 2000)Google Scholar.

⁵ Zolberg, Aristide R., ‘International Migration Policies in a Changing World System’, in McNeill, William and Adams, Ruth S., eds, Human Migrations: Patterns and Policies (Bloomington: Indiana University Press, 1978), 241–86Google Scholar.

⁶ For a reflection on this component of migrants’ citizenship see Spire, Alexis, ‘Semblables et pourtant différents. La citoyenneté paradoxale des “Français musulmans d'Algérie” en métropole’, Genèses. Sciences sociales et histoire, 53 (2003), 48–68Google Scholar.

⁷ For example, the ‘cycle of racial relations’ studied by Park, Robert Ezra and Burgess, Ernest W. in Introduction to the Science of Sociology, (Chicago: University of Chicago Press, 1921)Google Scholar.

⁸ Joppke, Christian, ed., Challenge to the Nation-State: Immigration in Western Europe and the United States (Oxford: Oxford University Press, 1998)CrossRefGoogle Scholar.

⁹ Gilboy, Janet, ‘Deciding Who Gets In: Decision-making by Immigration Inspectors’, Law and Society Review, 25 (1991), 571–99CrossRefGoogle Scholar; Calavita, Kitty, Inside the State: The Bracero Program, Immigration, and the INS (New York: Routledge, 1992)Google Scholar; Spire, Alexis, Etrangers à la carte. L'administration de l'immigration en France (Paris: Grasset, 2005)Google Scholar.

¹⁰ On the reception of Jewish refugees in France between the two wars, see Caron, Vicki, Uneasy Asylum: France and the Jewish Refugee Crisis (Stanford, CA: Stanford University Press, 1999), 94–116Google Scholar.

¹¹ See MacMaster, Neil, Colonial Migrants and Racism: Algerians in France, 1900–1962 (New York: St. Martin's Press, 1997)CrossRefGoogle Scholar.

¹² See Zolberg, Aristide, ‘International Migrations in Political Perspective’, in Kritz, Mary, Keely, Charles and Tomasi, Sylvano, eds., Global Trends in Migration: Theory and Research on International Population Movements (New York: Center for Migration Studies, 1981), 3–27Google Scholar.

¹³ Foucault, Michel, The History of Sexuality Volume I: An Introduction (New York: Pantheon, 1978)Google Scholar.

¹⁴ This current includes numerous authors, for example Soysal, Yasemin Nuhoglu, Limits of Citizenship: Migrants and Postnational Membership in Europe (Chicago: University of Chicago Press, 1989)Google Scholar.

¹⁵ See Sassen, Saskia, The Global City: New York, London, Tokyo (Princeton: Princeton University Press, 1991)Google Scholar.

¹⁶ Hollifield, James F., Immigrants, Markets and States: The Political Economy of Postwar Europe (Cambridge, MA: Harvard University Press, 1992)Google Scholar.

¹⁷ Schuck, Peter H., Citizens, Strangers, and In-betweens: Essays on Immigration and Citizenship (Boulder, CO: Westview Press, 1998)Google Scholar.

¹⁸ Portes, Alejandro and De Wind, Josh, eds., Rethinking Migration: New Theoretical and Empirical Perspectives (New York: Berghahn, 2007)Google Scholar.

¹⁹ Calavita, Kitty, Immigrants at the Margins: Law, Race and Exclusion in Southern Europe (Cambridge: Cambridge University Press, 2005)CrossRefGoogle Scholar.

²⁰ Coutin, Susan Bibler, Legalizing Moves: Salvadoran Immigrants’ Struggle for US Residency (Ann Arbor: University of Michigan Press, 2000)Google Scholar.