L'ouvrage d'Anton Joseph Dorsch fournit une description compl te des statistiques du d partement de la Roer, situ l'ouest de l'Allemagne. Les donn es pr sent es incluent la population, l' conomie, la culture et la g ographie de la r gion. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of...