Schultz, Helga. “Geschichtsbilder in Der Deutsch-Polnischen Grenzregion [Historical Images in the German-Polish Border Region]”. Studia Historiae Oeconomicae 27, no. 1 (June 1, 2009): 319–326. Accessed October 12, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/44041.