LATOSZEK, P. The relations between the Holy See and the early Piast state between 965 and 973. Saeculum Christianum, [S. l.], v. 24, p. 52–65, 2021. DOI: 10.21697/sc.2017.24.04en. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sc/article/view/8501. Acesso em: 21 lis. 2024.