OLSZÓWKA, Marcin. "Everything of value from over a thousand years of achievement". 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: 10.37873/82b3cp67. Disponível em: https://wydawnictwo.ordoiuris.pl/index.php/books/catalog/book/82/chapter/256. Acesso em: 9 may. 2026.