SCHÄRER, Michèle. Friedrich Fröbel and Preschool Education in the French speaking Part of Switzer-land: 1860-1914. Swiss Journal of Educational Research, Bern, v. 25, n. 2, p. 287–308, 2003. DOI: 10.24452/sjer.25.2.4665. Disponível em: https://sjer.ch/article/view/4665. Acesso em: 12 mar. 2025.