Georg Haeckel

Portrait of the composer Georg Friedrich Haendel, Anonymous

Portrait of Erich Heckel, 1910 Anonymous

A baptismal procession, Black Forest, Germany Georg Haeckel

Ernest Haekel Anonymous

Georg Wilhelm Friedrich Hegel Johann Christian Xeller

Glass sponges. Hexactinellae Ernst Haeckel

Illustration of mollusk. Acephala Ernst Haeckel

Johann Georg Hackius, 1847 Carl Eybe

Microorganisms. Flagellata Ernst Haeckel

Portrait of Theodore Haak (1605-1690) unknown

Nepenthaceae Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

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

View of the Hackescher Markt and the Church of St. Mary, Berlin School German

Microorganisms. Thalamophora Ernst Haeckel

Algae. Fucoideae Ernst Haeckel

The Children of Martin Anton Heckscher: Johann Gustav Wilhelm Moritz…, 1805 Johann Heinrich Wilhelm Tischbein

Samuel Hahnemann, German physician, 1860 Unknown

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

Friedrich August Kekule von Stradonitz Anonymous

Harz The Inn on the Hexentanzplatz, Germany H. Selle

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

Portrait of German Homeopathic Physician Samuel Hahnemann Anonymous

Heidelberg, from the River, the Rhine, Germany Anonymous

Microorganisms. Thalamophora Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

Land-working women, East Prussia Georg Haeckel

Microorganisms. Spyroidea Ernst Haeckel

A forest maiden in her Sunday frock Georg Haeckel

Hummingbirds. Trochilidae Ernst Haeckel

Map of Heidelberg Germany Timotheus ten Hoorn

Microorganisms. Polycyttaria Ernst Haeckel

Microorganisms. Spumellaria Ernst Haeckel

Jellyfishes. Leptomedusae Ernst Haeckel

Hoher Gull Hugo Burghel