Keywords: 1826-02-03-Brief Inhalt.JPG en letter of Wilhelm Mülhens contains Farina Archiv Wilhelm Mülhens 1826 PermissionOTRS 2011082310009771 concerning displayed work PD-old concerning photography cc-by-3 0-de Johann Maria Farina gegenüber dem Jülichs-Platz 4711 brand |