Friedrich Kallmorgen (page 3)

Portrait of Georg Wilhelm Friedrich Hegel, 1831 Jacob Schlesinger

Schiller, Johann Christoph Friedrich von (1759-1805). German poet, philosopher, historian, and playw Anonymous

Friedrich I, Duke of Sachsen-Gotha-Altenburg, 1711 Christian Schilbach

Portrait of Friedrich Wilhelm Schelling Anonymous

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

Friedrich Wilhelm IV, c.1850 Franz Kruger

Illustration of Poet Friedrich Schiller Outdoors Anonymous