KÄPPELI, T. Predigten Jordans von Sachsen. Archivum Fratrum Praedicatorum, [S. l.], v. 9, p. 311–314, 1939. Disponível em: https://heyjoe.fbk.eu/index.php/afp/article/view/13755. Acesso em: 23 ott. 2026.