Otto Eerelman

A Day at the Beach Otto Eerelman

A Collie with her Puppies Otto Eerelman

The Frederiksplein Amsterdam during the entry of Queen Wilhelmina Otto Eerelman

Jacoba van Beieren with her horse Otto Eerelman

Otto Erich Hartleben German School

Portrait of the Painter Otto Mueller, c.1914 Curt Herrmann

The Appeal Otto Erdmann

Erich Heckel and Otto Mueller playing Chess, 1913 Anonymous

The Painter Otto Eckmann 1897 Lovis Corinth

The Apology, 1869 Otto Erdmann

The Giant German Ogre French School

Portrait of Prince Otto von Bismarck, 1834 German School

Otto von Bismarck, c.1850 German School

Portrait of the Elector Palatine Otto Henry, 1543 Georg Pencz

Sitting Pair, 1920 Otto Muller or Mueller

Otto Lilienthal, German aeronaut, early 20th century Unknown

The Stadtbahn Pavilion of the Vienna Underground Railway, design showing the exterior and a view of the railway platform, c.1894-97 Otto Wagner

Spring Otto Eckmann

Self Portrait, c.1921 Otto Muller or Mueller

Prince Otto von Bismarck, 1865 Adolph Friedrich Erdmann von Menzel

Otto von Bismarck Franz Seraph von Lenbach

Otto IV of Brunswick French School

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

Grandfather's Visit, 1889 Otto Piltz

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

The Triple Alliance German School

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

Otto von Bismarck as a Student, 1833 Philipp Petri

Otto von Bismarck in his Study German School

The Work Horse, 1866 Otto Bache

Summer Clouds over Gossfelden Otto Ubbelohde

Youthful portrait of the young King Otto Greek School

Otto Muller Playing Chess, 1913 Ernst Ludwig Kirchner

Detail of Aurora from 'Morning', 1808 Philipp Otto Runge

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

Otto von Bismarck, vers 1890 Franz Seraph von Lenbach