H. van der Laan, Jan Woltjer (1849-1917). Filosoof, classicus, pedagoog. BMGN - Low Countries Historical Review, [S. l.], v. 116, n. 3, p. 404–406, 2001. DOI: 10.18352/bmgn-lchr.5538. Disponível em: https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106359.. Acesso em: 22 nov. 2024.