Portrait of Wilhelm Middendorf (1793 - 1853), Co-Director of the Kindergarten in Keilhau, August Lieber, circa 1846

Date: circa 1846. Dimensions: Plate: height: 12.1 cm (4.7 in); width: 10.3 cm (4 in)Sheet: height: 14.5 cm (5.7 in); width: 12.3 cm (4.8 in). Medium: etching print. Collection: Philadelphia Museum of Art. Wilhelm Middendorf by August Lieber