@article{Buiting_1995, title={S. Bloemgarten, Henri Polak, sociaal democraat, 1868-1943}, volume={110}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104584}, DOI={10.18352/bmgn-lchr.3985}, number={1}, journal={BMGN - Low Countries Historical Review}, author={Buiting, M.H.J.}, year={1995}, month={Jan.}, pages={141–143} }