Kruszewski, T. “Records Nos 544 and 548 in the First Part of the 8th Volume of The Primeval Monuments of Polish Law and Their Significance for the Rise of the House of Konarski, Coat of Arms Gryf”. The Opole Studies in Administration and Law, vol. 18, no. 3, Dec. 2020, pp. 43-48, doi:10.25167/osap.2588.