SAPIA-DREWNIAK, Eleonora. Biografie nauczycieli śląskich. Źródła i stan badań. Acta Universitatis Nicolai Copernici Pedagogika, [S. l.], v. 31, p. 37–51, 2016. DOI: 10.12775/AUNC_PED.2015.002. Disponível em: https://apcz.umk.pl/AUNC_PED/article/view/AUNC_PED.2015.002. Acesso em: 8 lip. 2025.