KLINGLER, H. 25 Jahre Freundeskreis der Pestalozzischule. Backnanger Jahrbuch, [S. l.], v. 13, p. 240–241, 2005. DOI: 10.53458/bjb.v13i.9229. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9229. Acesso em: 6 juli. 2024.