CHT287011 Houses for workers in Anzin, plate 9 from \'Les habitations ouvrieres en tous pays, situation en 1878, Avenir\' by Emile Muller and Emile Cacheux, Paris, published 1879 (engraving) (b/w photo) by French School, (19th century); Bibliotheque Nationale, Paris, France; (add.info.: Habitations ouvrieres; center of important coal mines of the Valenciennes basin; Company of the mines of Anzin created in 1757; built for coal miners; coron; corons;); 穢 Archives Charmet; French, out of copyright.