SCHALK, A. 50 Jahre Pestalozzischule Backnang. Backnanger Jahrbuch, [S. l.], v. 10, p. 254–255, 2002. DOI: 10.53458/bjb.v10i.9119. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9119. Acesso em: 6 juli. 2024.