Domańska, Aldona, and Anna Michalak, eds. The Independent: Considerations about the System and the Law of the State on the 100th Anniversary of the Revival of a Sovereign Polish State. 100 Years of Independence. Poland: Lodz University Press, 2018. Accessed January 21, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/266.