@article {2000, title = {Les origines de la l{\'e}proserie Saint-Lazare de Valenciennes}, journal = {M{\'e}moires et publications de la Soci{\'e}t{\'e} des Sciences, des Arts et de Lettres du Hainaut}, volume = {100}, year = {2000}, pages = {1-11}, author = {De Keyzer, Walter} }