Rudolf Otto Ritter Von Ottenfeld

Backgammon, 1890 Rudolf Otto Ritter von Ottenfeld

Ottokar Pays Homage to Rudolf, 1882 Anonymous

Rudolph I on batllefield after the victory over Ottokar, 1840 Anonymous

The Battle of Rudolph of Habsburg against Ottokar of Bohemia on 26 August 1278 Anonymous

Ludwig Ganghofer German School

The Artist's Sitting Room in Ritterstrasse, 1851 Adolph Menzel

Rudder Mark Adlington

Stefanplatz, Vienna Rudolf Bernt

Crown Prince Rudolf, 1873 Franz Seraph von Lenbach

View of Haarlem Reinier and Josua Ottens

Summer Clouds over Gossfelden Otto Ubbelohde

Portrait of Luitpold, Prince Regent of Bavaria, 1893 Rudolph Wimmer

The Austrian Royal Marriage: The Archduke Rudolf, Prince Imperial of Austria Anonymous

Nicolas-Charles Oudinot, duc de Reggio, 1889 Anonymous

Vienna, Austria Rudolf von Alt

Portrait of Franz von Hatzfeld Ge. Jo. van de Sijpe

Lithograph of a painting of August Riedel, Piloty & Löhle Johann Friedrich Ludwig Heinrich 'August' Riedel

Otto I of Bavaria prevents a defeat of Emperor near Verona Johann Jakob Kirchhoff

Wotan turns and looks sorrowfully back at Brünnhilde. Illustration for The Rhinegold and The Valkyr Arthur Rackham

Villa Wagner, Vienna Otto Wagner

Antonius Neudoerffer Nürnberg, 1601 Anonymous

C. G. Neefe Illustration Anonymous

The Battle of Lawfeld, 2nd July 1747 Pierre Lenfant

Axenfeld James Abbott McNeill Whistler

The Battle of Lauffeld Louis Charles Auguste Couder

Opera Otello by Giuseppe Verdi at the Mariinsky Theatre in Saint Petersburg, November 26, 1887, 1887 Anonymous

Lake Lucerne, Switzerland Rudolf von Alt

Book illustration, 1896. Franz Gottfried

Nude Figure of a Girl in a Landscape Otto Müller

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

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

Count Otto von Botenlauben Anonymous

Otto Lilienthal, German aeronaut, early 20th century Unknown

Prince Otto von Bismarck, 1865 Adolph Friedrich Erdmann von Menzel

Otto von Bismarck, vers 1890 Franz Seraph von Lenbach

Sitting Pair, 1920 Otto Muller or Mueller