LUTHER, Martin. Brief Martin Luthers an Konrad Sam an der Jakobskirche Brackenheim. Zeitschrift des Zabergäuvereins, [S. l.], n. 3-4, p. 34–35, 2017. DOI: 10.53458/f5ptjq30. Disponível em: https://journals.wlb-stuttgart.de/index.php/zz/article/view/19326. Acesso em: 11 mar. 2026.