Karl Otto

The First Christians in Rome, 1869 Karl Otto

Otto Salzer, 1905(?) Unknown

Youthful portrait of the young King Otto Greek School

Portrait of Otto, King of Greece Anonymous

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

Portrait of Karl Marx, 1857 French School

Karl Marx Anonymous

Otoo, King of O-taheite William (after) Hodges

Otto I of Bavaria prevents a defeat of Emperor near Verona, 1840 Anonymous

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

Portrait of King Karl XII David von Krafft

Portrait of Karl Marx Anonymous

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

Portrait of Karl Ritter Anonymous

Captain L.E.G. Oates, expedition team member Herbert George Ponting

Nikolaus Otto Anonymous

The Otto Cycle Anonymous

Otto Lilienthal makes one of his last flights Anonymous

Otto I (1848-1916). King of Bavaria (1886-1913). Anonymous

Portrait of Otto Loewi (1873-1961) P Carvalho

Otto I, King of Greece Anonymous

Otto von Bismarck Carl Ludwig Friedrich Becker

Portrait of Otto von Bismarck Anonymous

Otto I, King of Greece, ca 1835 Gustav Kraus

Missouri Indian, Oto Indian, Chief of the Puncas Karl Bodmer

Otto Lilienthal, German aeronaut, early 20th century Unknown

Emperor Otto II Anonymous

Otto I Submitting to Berenger II and the Triumph of Italy German School

Portrait of Otto, Duke of Brabant and Leuven, 1662 Conrad Waumans

Portrait of Otto Brahe, Captain of a Company of Danes to Repartition Zealand, Entered Service of Brandenburg in 1610 Anonymous

Otto von Bismarck, c.1850 German School

Count Otto von Botenlauben Anonymous

Prince Otto of Bismarck-Schoenhausen, 8th February 1891 School German

Margrave Otto IV of Brandenburg Playing Chess Anonymous

Otto IV of Brunswick French School

Portrait of Prince Otto von Bismarck, 1834 German School