TRZECIAKOWSKI, Lech. Otto von Bismarck in der polnischen Historiographie. Studia Germanica Posnaniensia, [S. l.], v. 24, p. 91–102, 2018. DOI: 10.14746/sgp.1999.24.09. Disponível em: https://pressto.amu.edu.pl/index.php/sgp/article/view/15522. Acesso em: 25 kwi. 2024.