T.U. Smeding, School in de steigers. De wording van de Friese lagere school in de periode 1800-1857. BMGN - Low Countries Historical Review, [S. l.], v. 105, n. 3, p. 442–444, 1990. DOI: 10.18352/bmgn-lchr.3266. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103717.. Acesso em: 22 nov. 2024.