Keywords: Dehn photograph.jpeg depicted people depicted person Siegfried Wilhelm Dehn < 1860 http //resolver staatsbibliothek-berlin de/SBB0001971400000000 Institution Staatsbibliothek zu Berlin accession number Mus P Dehn S W I 2 PD-old-100 Siegfried Wilhelm Dehn 19th-century portrait photographs of men at bust length |