Karl Otto

The First Christians in Rome, 1869 Karl Otto

Portrait of Otto, King of Greece, 1832 Joseph Karl Stieler

Portrait of Karl Ritter Anonymous

Karl Marx Anonymous

Karl Lagerfeld Daisy de Villeneuve

Karl Wallenda Arthur Sidey

Portrait of Karl Marx, 1857 French School

Count Otto von Botenlauben Anonymous

Margrave Otto IV of Brandenburg Playing Chess Anonymous

Portrait of King Karl XII David von Krafft

Portrait of Karl Marx Anonymous

Karl Schwarz Lovis Corinth

Health Community at the Karlsbader Fountain, 1810 Georg Emanuel Opitz

Portrait of the Artist's Son, Karl, 1817 Karl Friedrich Schinkel

Karlsplatz, Munich, Germany Wurthle & Sons

The Justice of Emperor Otto III: Beheading of the Innocent Count, 1471-1475 Dirk Bouts

The studio of Karl von Piloty Anonymous

Gottlieb Daimler and Karl Benz, German motor industry pioneers, 1961 Unknown

Portrait of Karl Marx, Anonymous

View of the Karlsberg Complex from the Cascades and Gardens to the Octogon, after 1716 Jan van Nickelen

Entrance of Otto of Bavaria into Nauplia, 6th February 1833 German School

Karl Wallenda Arthur Sidey

Karl Alexander of Bismarck German School

Karlsplatz, Munich, Germany Wurthle & Sons

Otto Lilienthal makes one of his last flights Anonymous

Portrait of Karl Marx, Anonymous

Youthful portrait of the young King Otto Greek School

Otto Salzer, 1905(?) Unknown

Karl Marx Anonymous

Portrait of Karl Theodor, Count Palatine and Duke of Bavaria (1724-1799) unknown

Portrait of Karl Marx, before 1875 Anonymous

Tightrope Walker Associated Newspapers

Karel I Henri Toutin

Portrait of Karl Friedrich Schinkel, c.1880 Karl Schmidt

Portrait of Karl Berckmuller Franz Xaver Winterhalter

Portrait of the Adjutant General Karl Karlovich Merder, 1820s Anonymous