Ruczkowski, Piotr. “The Administrative and Legal Procedure of Changing the Surname in Germany (Öffentlich-Rechtliche Namensänderung in Deutschland) – Selected Issues of the Procedural and Substantive Law”. The Opole Studies in Administration and Law 16, no. 1 (4) (September 16, 2019): 47–59. Accessed December 4, 2024. https://czasopisma.uni.opole.pl/index.php/osap/article/view/1159.