NAPIWOTZKY, F. Jahresrückblick 1998 des Backnanger Jahrgangs 1925/26. Backnanger Jahrbuch, [S. l.], v. 7, p. 256–257, 1999. DOI: 10.53458/bjb.v7i.9003. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9003. Acesso em: 22 juli. 2024.