Stock Photo: Historical print, portrait of Heinrich Gotthardt von Treitschke, 1834 _ 1896, a German historian, political writer, from the Illustrated History of German National Literature, by Gustav Koennecke, 1887

Stock Photo: 1848-574308 Historical print, portrait of Heinrich Gotthardt von Treitschke, 1834 _ 1896, a German historian, political writer, from the Illustrated History of German National Literature, by Gustav Koennecke, 1887