Wiśniewska, Dorota. “The Teaching of Pre-Existing National Polish Law in the New Kingdom of Poland”. Acta Universitatis Lodziensis. Folia Iuridica 99 (June 30, 2022): 173–181. Accessed May 12, 2024. https://www.czasopisma.uni.lodz.pl/Iuridica/article/view/13934.