KRUITHOF, B. J.D. Imelman, W.J.A. Meijer, De nieuwe school. Gisteren en vandaag. BMGN - Low Countries Historical Review, [S. l.], v. 103, n. 1, p. 77–78, 1988. DOI: 10.18352/bmgn-lchr.2910. Disponível em: https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103265. Acesso em: 21 jan. 2022.