@article{Helderman_2001, title={M. Stekelenburg, 200 Jaar werken bij de overheid, I, 1814-1940, II, 1940-1998}, volume={116}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106414}, DOI={10.18352/bmgn-lchr.5586}, number={4}, journal={BMGN - Low Countries Historical Review}, author={Helderman, Coen}, year={2001}, month={Jan.}, pages={538–539} }