@article{Catania-Peters_2003, title={E. den Hartog, De oudste kerken van Holland. Van kerstening tot 1300}, volume={118}, url={https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106825}, DOI={10.18352/bmgn-lchr.5950}, number={4}, journal={BMGN - Low Countries Historical Review}, author={Catania-Peters, M.}, year={2003}, month={Jan.}, pages={577–579} }