LEUPOLDT, E. Diamantene Konfirmation des Jahrgangs 1927/28. Backnanger Jahrbuch, [S. l.], v. 11, p. 254–255, 2003. DOI: 10.53458/bjb.v11i.9161. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9161. Acesso em: 3 juli. 2024.