Friedrich Wilhelm Keyl

In the Malvern Hills, 1858 Friedrich Wilhelm Keyl

Georg Wilhelm Friedrich Hegel Johann Christian Xeller

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

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

Portrait of Count Pyotr Kleinmichel Friedrich Randel

Portrait of Georg Wilhelm Friedrich Hegel, 1831 Jacob Schlesinger

Bust of Friedrich Nietzsche German philosopher, 1902 Max Klinger

Friedrich August Kekule von Stradonitz Anonymous

Portrait of the composer Georg Friedrich Haendel, Anonymous

Portrait of Georg Wilhelm Friedrich Hegel, 1831 Anonymous

Friedrich Wilhelm Joseph Schelling French School

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

Portrait of Friedrich Wilhelm Schelling Anonymous

Friedrich Schiller, German poet, philosopher, historian, and dramatist Anonymous

Friedrich Wilhelm IV, c.1850 Franz Kruger

Portrait of Karl Friedrich Schinkel, 1836 Franz Krüger

Professor Friedrich Mueller Louis Kolitz

Portrait of Friedrich Nietzsche, 1895 Anonymous

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

Illustration of Friedrich Schiller Anonymous

Portrait of Georg Wilhelm Friedrich Hegel, End 1820s Anonymous

Instructions issued by Friedrich Wilhelm I Frederick William I of Prussia

Portrait of Georg Wilhelm Friedrich Hegel, German philosopher, engraved c.1825 by F.W. Bollinger Johann Christian Xeller

Portrait of the composer and pianist Friedrich Heinrich Himmel, 1815 Anonymous

Friedrich Wilhelm I, Elector of Brandenburg German School

Georg Wilhelm Friedrich Hegel Anonymous

Friedrich Schiller in Light Illustration Anonymous

Portrait of the composer and pianist Friedrich Heinrich Himmel, 1819 Anonymous

Portrait of General Friedrich Wilhelm von Buxhoeveden, 1812 Anonymous

The Weimar City Castle. From: Thüringen und der Harz.. by Friedrich von Sydow, 1839 Anonymous

Illustration of Poet Friedrich Schiller Outdoors Anonymous

Portrait of Socialist Friedrich Engels Anonymous

Portrait of Friedrich von Schiller Dora Stock

Schloss Prunn in Altmuhlthal, print by Friedrich Wilhelm Bollinger, 1818 Domenico Quaglio (after)

Friedrich Engels as a Young Man Anonymous

Portrait of Karl Friedrich Schinkel, c.1880 Karl Schmidt