Sadowski, P. “The 15th Legal-Historical Colloquium ‘Iura Et Leges Between the East and the West – Legal and Historical aspects’, Opole, 9–10 May 2019”. The Opole Studies in Administration and Law, vol. 18, no. 1, Aug. 2020, pp. 205-10, doi:10.25167/osap.2175.