SŁYSZEWSKA, J. The history of Polish diplomacy. The Supreme National Committee in the period of 1914–1918 and some informal efforts to recognize the Polish sovereignty. Studia Prawnoustrojowe, [S. l.], n. 58, 2022. DOI: 10.31648/sp.8204. Disponível em: https://czasopisma.uwm.edu.pl/index.php/sp/article/view/8204. Acesso em: 30 kwi. 2024.