Karl Friedrich Fechhelm

View of the Gendarmenmarkt with the French playhouse and cathedral, Berlin, 1788 Karl Friedrich Fechhelm

Unter den Linden, Berlin, 1770 Karl Friedrich Fechhelm

The Gendarmenmarkt with the French Playhouse and French Dom, Berlin, 1788 Karl Friedrich Fechhelm

Stage Design for Act III of the Opera 'Montezuma', 1755 Karl Friedrich Fechhelm

View of the Neue Markt with St. Mary's Church, Berlin, c.1770 Karl Friedrich Fechhelm

Berlin City Palace, 1765 Carl Traugott Fechhelm

Portrait of the composer Karl Friedrich Christian Fasch, 1797 Anonymous

The New Market in Berlin with the Marienkirche c.1770 Carl Traugott Fechhelm

View of the armory and Unter den Linden Street, 1786 Carl Traugott Fechhelm

Karl Friedrich Schinkel, 1834 Pierre Jean David d'Angers

Portrait of Karl Friedrich Schinkel, c.1880 Karl Schmidt

Portrait of the composer Karl Friedrich Christian Fasch, 1816 Anonymous

Friedrich Engels, German socialist and collaborator and supporter of Karl Marx, 1879 Unknown

Portrait of Friedrich Karl Joseph Reichsfreiherr von Erthal, 1789 Heinrich Friedrich Füger

Friedrich Engels and Karl Marx in Office Anonymous

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

Friedrich Engels and Karl Marx During Press Operations Anonymous

Hebbel Karl Bauer

Stage design for the tragedy Don Carlos by Friedrich Schiller, 1824 Anonymous

Portrait of Karl Marx, 1857 French School

Portrait of Karl Friedrich Schinkel, 1836 Franz Krüger

Portrait of Friedrich Kalkbrenner Anonymous

Portrait of Karl Berckmuller Franz Xaver Winterhalter

Two women in Frisian and Groningen costume, Carl Cristiaan Fuchs Harmanus Langerveld

Karl Friederich Gauss, German mathematician, astronomer and physicist Unknown

Karl Marx, Friedrich Engels and the daughters Jenny, Eleanor and Laura Marx, 1864 Anonymous

Friedrich August Kekule von Stradonitz, German organic chemist, c1885 Unknown

The Orianda Palace in the Crimea, 1846 Anonymous

Portrait of Friedrich Schiller, 1808/09 Franz Gerhard von Kugelgen

Costume of the Hunter Samiel for the opera 'Der Freischutz' by Carl Maria von Weber 1841 Paul Lormier

Portrait of Friedrich Wilhelm Schelling Anonymous

Friedrich Konig Anonymous

Album of Railways in the Netherlands Indies Indonesia, Carl Emanuel Friedrich Lang Woodbury & Page

Friedrich Wilhelm I, Elector of Brandenburg German School

Karl Friedrich Gauss, German mathematician, astronomer and physicist, 1840 Christian Albrecht Jensen

Castle by the River, 1820 Karl Friedrich Schinkel