Wolfe 2010, p. 116. Wolfe, Stephanie (2010). "Citizenship, Law and Injustice: The Misuse of Citizenship and Law in Germany and the United States". In Dominello, Francesca (ed.). State Power and the Legal Regulation of Evil. Brill Publishers. pp. 113–123. doi:10.1163/9781848880290_012. ISBN978-1-84888-029-0.
Wolfe 2010, pp. 117, 121. Wolfe, Stephanie (2010). "Citizenship, Law and Injustice: The Misuse of Citizenship and Law in Germany and the United States". In Dominello, Francesca (ed.). State Power and the Legal Regulation of Evil. Brill Publishers. pp. 113–123. doi:10.1163/9781848880290_012. ISBN978-1-84888-029-0.
Kranz 2017, p. 370. Kranz, Dani (September 2017). "Changing Measures of the Quantum of Sufficient Germanness: Access to German Citizenship of Children of German/Non-German Parentage, and Children Eligible Under Jus Soli Provisions". Journal of Comparative Family Studies. 48 (3). University of Toronto Press: 367–379. doi:10.3138/jcfs.48.3.367.
"Obtaining German Citizenship". German Missions in the United States. 4 November 2021. Archived from the original on 24 March 2022. Retrieved 6 January 2022.
Renzsch 1989, p. 18. Renzsch, Wolfgang (1989). "German Federalism in Historical Perspective: Federalism as a Substitute for a National State". Publius. 19 (4). Oxford University Press: 17–33. JSTOR3330414.
Walter 1978, p. 826. Walter, Michael (1978). "The Bancroft Conventions: Second-Class Citizenship for Naturalized Americans". The International Lawyer. 12 (4). American Bar Association: 825–833. JSTOR40706693.
Loeb 1900, p. 47. Loeb, Isidore (August 1900). "The German Colonial Fiscal System". Publications of the American Economic Association. 1 (3). American Economic Association: 40–72. JSTOR2485790.
Hailbronner 2006, p. 217. Hailbronner, Kay (2006). "Germany". In Bauböck, Rainer; Ersbøll, Eva; Groenendijk, Kees; Waldrauch, Harald (eds.). Acquisition and Loss of Nationality Volume 2: Country Analyses – Policies and Trends in 15 European Countries. Amsterdam University Press. pp. 213–252. ISBN978-90-5356-921-4. JSTORj.ctt46n00f.10.
Tobler 2020, pp. 482–483. Tobler, Christa (2020). "Free Movement of Persons in the EU v. in the EEA: of Effect-Related Homogeneity and a Reversed Polydor Principle". In Cambien, Nathan; Kochenov, Dimitry; Muir, Elise (eds.). European Citizenship under Stress: Social Justice, Brexit and Other Challenges. Brill. pp. 482–507. ISBN978-90-04-42245-2. JSTOR10.1163/j.ctv2gjwnvm.25.
"Obtaining German Citizenship". German Missions in the United States. 4 November 2021. Archived from the original on 24 March 2022. Retrieved 6 January 2022.
Case 1902, p. 139. Case, Nelson (1902). European Constitutional History; or, The Origin and Development of the Governments of Modern Europe, From the Fall of the Western Roman Empire to the Close of the Nineteenth Century. Jennings & Pye, Eaton & Mains. OCLC1070584.