Otto Theodor Gustav Lingner

Water Nymph, 19th century Otto Theodor Gustav Lingner

Otto Lilienthal makes one of his last flights Anonymous

Otto Lilienthal, German aeronaut, early 20th century Unknown

Self portrait with the Foster Daughter Lina Groger and the painter Heinrich Jakob Aldenrath, c.1801-15 Friedrich Carl Groger

King Ludwig II as Lohengrin in the Blue Grotto of Linderhof Palace, c. 1900 Anonymous

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

Portrait of Otto Sigismund Runge Julius Oldach

Otto Lilienthal flying glider Anonymous

Youthful portrait of the young King Otto Greek School

Otto Muller Playing Chess, 1913 Ernst Ludwig Kirchner

Opening of the Gothard Tunnel: Reception of the Italian and German Parliamentary Deputies at Luzern Anonymous

Li-Hung-Tchang on a tour of Europe in 1896 with Otto von Bismarck French School

The Schweizer Illustrierte Zeitung with Lenin on the title page of 15 December 1917, 1917 Anonymous

The Disaster of the Liner Ingermanland at Skagerrake near Norway on August 30th, 1842 Ivan Konstantinovich Aivazovsky

Nikolaus Otto Anonymous

Portrait of Peter Joseph von Lindpaintner, 1836 Anonymous

The Triple Alliance German School

Otto von Bismarck Franz Seraph von Lenbach

The Painter Otto Speckter, c.1831 Gunther Gensler

Portrait of the Soprano Jenny Lind, after 1844 Anonymous

Otto Salzer, 1905(?) Unknown

Cages on the Tower of Lamberti Church Münster in which the Remains of John of Leyden Knipperdoling and Krechting Were... Anonymous

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

Gustav Albert Lortzing, 1801-1851, German Composer, Actor and Singer. Germany Anonymous

Auguste Viktoria, German empress Reichard & Lindner

Copy of 'We Three' by Philipp Otto Runge Julius von Ehren

The Oath of Omladina Under the Slavic Linden Tree (The cycle The Slav Epic) Alfons Marie Mucha

Josef Stalin and the geophysicist Otto Y Schmidt, 1930s Jakov Kalinichenko

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

Austin Henry Layard, Ll.D., Discoverer of the Nimroud Sculptures Anonymous

The Otter Speared Anonymous

Mozart Memorial designed by Viktor Oskar Tilgner, 1896 Anonymous

August Strindberg Mathias Hansen

The Old Shepherd's Chief Mourner, c.1837 Edwin Landseer

Grossglockner, Hohe Tauern, Austria Wurthle & Sons

The Late Edward A. Sothern Distinguished Comedian Anonymous