German Society Today (Berghahn Books, 1996) online Koop, Brett. German Multiculturalism: Immigrant Integration and the Transformation of Citizenship Book (Praeger, 2002) online Kurthen, Hermann, Werner Bergmann and Rainer Erb, eds. Antisemitism and Xenophobia in Germany after Unification. New York: Oxford University Press, 1997. O'Brien, Peter. "Continuity and Change in Germany's Treatment of Non-Germans," International Migration Review Vol. 22, No. 3 (Autumn, 1988), pp. 109–134 in JSTOR Yurdakul Gökce. From Guest Workers into Muslims: The Transformation of Turkish Immigrant Organisations in Germany (Cambridge Scholars Press; 2009) External links German Embassy: Reform of Germany's citizenship and nationality law German words and phrases Foreign workers Economy of West Germany Immigration to Germany Portuguese expatriates in Germany Yugoslav expatriates in Germany Serbian expatriates in Germany Kosovan expatriates in Germany Romanian expatriates in Germany Romanian expatriates in Austria Greek expatriates in Germany Greek expatriates in Austria Turkish expatriates in Germany Turkish expatriates in Austria Tunisian expatriates in Germany Moroccan expatriates in Germany Ethnic groups in Germany