Paris [cartographic material] : couleurs-guide-plan / offert par les Grands Magasins du Louvre.ca. 1918]"Brevet n. 458-412."Includes list of stations and "directions of using = clef" in English and French.Includes pictorial representation of Grands Magasins du Louvre department store.Shows stations, MeĢtro lines, and piers.cartographic