Bruno Vanobber and Nancy Vansieleghem, "Repairing the body, restoring the soul: the Sea Hospital of the City of Paris in Berck-sur-Mer and the French war on tuberculosis", Paedagogica Historica 46.3, June 2010, pp. 325–340
Maurits Gysseling, Toponymisch Woordenboek van België, Nederland, Luxemburg, Noord-Frankrijk en West-Duitsland (vóór 1226), 1960, pp. 198–199 (read in French, Dutch and German) [2]