Karl Wilhelm Diefenbach

Portrait of the composer Richard Wagner, c. 1913 Karl Wilhelm Diefenbach

Portrait of Karl Theodor von Dalberg,, 1811 Anonymous

Karl Lagerfeld Daisy de Villeneuve

Brigitte Helm and Karl Ludwig Diehl, German film actors Anonymous

Kaiser Wilhelm II c.1902 Emmanuel Poire Caran D'Ache

Portrait of Karl Marx, 1857 French School

The studio of Karl von Piloty Anonymous

Count Christian Gustav Wilhelm Leontinus zu Sayn-Wittgenstein-Sayn Anonymous

Portrait of the Artist's Son, Karl, 1817 Karl Friedrich Schinkel

Kaiser Wilhelm I, 1888 Franz Seraph von Lenbach

Portrait of the Adjutant General Karl Karlovich Merder, 1820s Anonymous

Wilhelms Carousel (Poster), 1914 Kasimir Severinovich Malevich

Portrait of Karl Friedrich Schinkel, c.1880 Karl Schmidt

Portrait of the composer Carl Ditters von Dittersdorf, c. 1800 Anonymous

Portrait of Hermann Carl von Keyserlingk, Mid of the 18th century Michael Christoph Hagelgans

Carl Maria von Weber at Covent Garden Theatre Leading his Celebrated Opera of 'Der Freischutz', 1826 George Hayter

On the Rocks at Fiskebackskil, 1905-6 Carl Wilhelm Wilhelmson

Sisters on the Beach, 1871 Anton Heinrich Dieffenbach

Caroline Freifrau von Gumppenberg-Pöttmes, née Freiin von Bayrstorff, 1856 Anonymous

Kaiser Wilhelm II of Germany during Military Manoeuvres Anonymous

Karl Schwarz Lovis Corinth

Portrait of Nanette Kaula, 1829 Joseph Carl Stieler

The Kaiser Wilhelm English School

Arms of Carl Philipp von Greiffenflau, Prince-Bishop of Wurzburg, 1750-1753 Giovanni Domenico Tiepolo

Young Düsseldorf. Group portrait of the painters Karl Friedrich Lessing, Carl Ferdinand Sohn and Theodor Hildebrandt, 1839 Julius Huebner

Wilhelm Maybach, German inventor and motor car designer Unknown

Kaiser Wilhelm II of Germany Lafayette Portrait Studios

Stock-im-Eisen-Platz, with St. Stephan's Cathedral in the background Karl von Schutz

Karl Alexander of Bismarck German School

Mayfair coachman, London J Harris

Immanuel Kant, 1768 Johann Gottlieb Becker

Portrait of King Karl XII David von Krafft

Portrait of Kaiser Wilhelm Anonymous

Karl Wilhelm Ferdinand Gerrit Kamphuysen

West aspect of Wilhelmsplatz, c.1773 Andreas-Ludwig Kruger

Portrait of Friedrich Adolf Riedesel Freiherr zu Eisenbach, c. 1795 Anonymous