KARSKA, Elżbieta. The contribution of Poles to the development of medieval international law. In: A thousand years of Poland’s presence among the elite of European states. Ordo Iuris LibraryWarszawa: Ordo Iuris Institute for Legal Culture - Scientific Press,2026. DOI: 10.37873/s3p97q56. Disponível em: https://wydawnictwo.ordoiuris.pl/index.php/books/catalog/book/82/chapter/252. Acesso em: 9 may. 2026.