Otto Robert Nowak

Joseph Haydn at the grand piano, 1917 Otto Robert Nowak

Nowaykesugga, an Otto Charles Bird King

Scenes in the Towns and Districts Recently Devastated by the Earthquake in Japan: The Waterfall of Nunobiki Notaki, Kobe Anonymous

Nikolaus Otto Anonymous

Portrait of Otto von Bismarck Anonymous

Portrait of Me-No-Quet, 1827 James Otto Lewis

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

Otto von Bismarck and his Son Herbert, State Secretary of the Foreign Office from 1860-90, 1892 Franz Seraph von Lenbach

Otto von Guericke, German inventor, engineer and physicist, 1672 Unknown

Sir Arthur Conan Doyle, Scottish author Emil Otto Hoppe

Peter Dominikus Ludwig, Prince of Sayn-Wittgenstein-Berleburg-Ludwigsburg, 1858 Anonymous

Otto Nordenskjöld at his desk, Snow Hill, Antarctica, 1901-03 Anonymous

Otto von Bismarck as a Student, 1833 Philipp Petri

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

Otto von Bismarck, c.1850 German School

Robert Andrews Millikan, American physicist, 20th century Unknown

Victor Novacek after the premiere of Violin Concerto in D minor, Op. 47 by Jean Sibelius Anonymous

A Young Noukahiwan man not completely Tattooed, 1813 Wilhelm Gottlieb Tilesius von Tilenau

Otto von Bismarck Franz Seraph von Lenbach

Portrait of Physicist Otto von Guericke Anonymous

BISMARCK, Otto-Leopold (1815-1898). Anonymous

Portrait of Prince Otto von Bismarck, 1834 German School

Robert Vaughn Eddie Waters

The blotter on the man who killed Robert Ford Anonymous

Statue of Prince Otto Von Bismarck Seated on a Horse Anonymous

Robert Hamerling August Prinzhofer

Otto von Bismarck, Chancellor of the Empire at the Tribune of the Reichstag, 1889 French School

Robert Rich, Second Earl of Warwick, ca. 1632-35 Anthony van Dyck

Otahitiano Isaac Robert Cruikshank

Ottokar Pays Homage to Rudolf, 1882 Anonymous

Otto von Bismarck, vers 1890 Franz Seraph von Lenbach

The conversion of Robert, Duke of Normandy, known as Robert the Devil Guillaume-Alphonse Harang Cabasson

Ottery St. Mary, the Nave, Looking East Anonymous

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

Youthful portrait of the young King Otto Greek School

Otto Beit in his study at Belgrave Square, 1913 William Orpen