Otto Eckmann

Young Love, 1898 Otto Eckmann

The Painter Otto Eckmann 1897 Lovis Corinth

Spring Otto Eckmann

The Work Horse, 1866 Otto Bache

Otto Muller Playing Chess, 1913 Ernst Ludwig Kirchner

A Day at the Beach Otto Eerelman

Otto von Bismarck Franz Seraph von Lenbach

Otto von Bismarck, c.1850 German School

Otto von Bismarck Carl Ludwig Friedrich Becker

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

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

Portrait of Prince Otto von Bismarck, 1834 German School

Meeting between the Expedition Party of Otto von Kotzebue and King Kamehameha I Ovayhi Island Ludwig Choris

Double Portrait of Otto and Heinrich Benesch, 1913 Egon Schiele

Ecce Homo, top of the interior right panel of an altarpiece of the Passion Master of the Baden Carnation

Otto Lilienthal makes one of his last flights Anonymous

Sitting Pair, 1920 Otto Muller or Mueller

The Frederiksplein Amsterdam during the entry of Queen Wilhelmina Otto Eerelman

The Justice of the Emperor Otto: The Execution of the Innocent Man, 1473-75 Dirck Bouts

Otto von Bismarck as a Student, 1833 Philipp Petri

Portrait of the Elector Palatine Otto Henry, 1543 Georg Pencz

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

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

Portrait of Otto Sigismund Runge Julius Oldach

Youthful portrait of the young King Otto Greek School

Otto IV of Brunswick French School

Nude Standing Against a Tree Otto Muller or Mueller

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

La Gran Nusta Mania Occollo Mexican School

Otto Coke and Coal Hoist Elisha Kent Kane Wetherill

Portrait of Johann Ludwig von Eckardt, 1794 Anonymous

Bismarck's Death in Friedrichsruh on the 30th July, 1898 German School

Singing to a Captive Crowd Otto Piltz

The Lamp Lighter from Ackermann's 'World in Miniature' Frederic (after) Shoberl

The Justice of the Emperor Otto: Trial by Fire, 1471-73 Dirck Bouts

Gypsy Encampment, c.1925 Otto Muller or Mueller