Bevers, A.M. “H. Balk, De Kunstpaus. H. P. Bremmer 1871-1956”. BMGN - Low Countries Historical Review 123, no. 1 (January 1, 2008). Accessed December 22, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107861.