IDLER, R. Diamantene Konfirmation des Jahrganges 1941/42. Backnanger Jahrbuch, [S. l.], v. 25, p. 246–247, 2017. DOI: 10.53458/bjb.v25i.9876. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9876. Acesso em: 22 juli. 2024.