Buijnsters, P.J. “S. De Bodt, J. Kapelle, Th. Gielen, Prentenboeken. Ideologie En Illustratie 1890-1950”. BMGN - Low Countries Historical Review 119, no. 2 (January 1, 2004): 275–277. Accessed February 24, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106954.