LANGER, M. Goldene Konfirmation des Jahrgangs 1937/38. Backnanger Jahrbuch, [S. l.], v. 11, p. 256–257, 2003. DOI: 10.53458/bjb.v11i.9162. Disponível em: https://journals.wlb-stuttgart.de/index.php/bjb/article/view/9162. Acesso em: 1 juni. 2025.