ZEHENDER, R. 75er-Feier und Diamantene Konfirmation des Schuljahrgangs 1930/31. Backnanger Jahrbuch, [S. l.], v. 14, p. 278–279, 2006. DOI: 10.53458/bjb.v14i.9288. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9288. Acesso em: 3 juli. 2024.