@article{Boer_1993, title={R. van Schaik, Belasting, bevolking en bezit in Gelre en Zutphen (1350-1550)}, volume={108}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104147}, DOI={10.18352/bmgn-lchr.3616}, number={1}, journal={BMGN - Low Countries Historical Review}, author={Boer, D.E.H. de}, year={1993}, month={Jan.}, pages={65–68} }