KREUTZMANN, H. 75-Jahr-Feier und Diamantene Konfirmation des Schuljahrgangs 1931/32. Backnanger Jahrbuch, [S. l.], v. 15, p. 302–303, 2007. DOI: 10.53458/bjb.v15i.9320. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9320. Acesso em: 23 juli. 2024.