JAROSZEWICZ-PIERESŁAWCEW, Z. Institute of History and International Relations at the University of Warmia and Mazury in Olsztyn. Echa Przeszłości, [S. l.], n. X, 2019. Disponível em: https://czasopisma.uwm.edu.pl/index.php/ep/article/view/3464. Acesso em: 3 jul. 2024.