Naturalization

Aleinikoff, T. Alexander, and Douglas Klusmeyer. Citizenship Policies for an Age of Migration. Washington, D.C.: Carnegie Endowment for International Peace, 2002.

Aleinikoff, T. Alexander, and Douglas Klusmeyer, eds. Citizenship Today: Global Perspectives and Practices. Washington, D.C.: Carnegie Endowment for International Peace, 2001.

Hansen, Randall, and Patrick Weil, eds. Dual Nationality, Social Rights, and Federal Citizenship in the U.S. and Europe: The Reinvention of Citizenship. New York: Berghan, 2002.

——. Towards a European Nationality: Citizenship, Immigration and Nationality Law in the EU. Houndsmills, U.K., and New York: Palgrave, 2001.

Weil, Patrick. Qu'est ce qu'un français? Histoire de la nationalité française depuis la Révolution. Paris: Grasset, 2002.