Georg Haeckel

A baptismal procession, Black Forest, Germany Georg Haeckel

Portrait of the composer Georg Friedrich Haendel, Anonymous

A forest maiden in her Sunday frock Georg Haeckel

Land-working women, East Prussia Georg Haeckel

A woman creatively peeling a potato Georg Haeckel

Prof. Haeckel Ernst Haeckel

Georg Wilhelm Friedrich Hegel Johann Christian Xeller

Portrait of Georg Wilhelm Friedrich Hegel, 1831 Anonymous

Microorganisms. Flagellata Ernst Haeckel

Ernest Haekel Anonymous

Portrait of Georg Wilhelm Friedrich Hegel, 1831 Jacob Schlesinger

Corals. Hexacoralla Ernst Haeckel

Portrait of George Henckell in his Study, c.1800 English School

Glass sponges. Hexactinellae Ernst Haeckel

Portrait of the composer Georg Friedrich Haendel, 1825 Anonymous

Georg Wilhelm Friedrich Hegel Anonymous

Corals. Hexacoralla Ernst Haeckel

'Hexastylus' E Giltsch

Portrait of Theodore Haak (1605-1690) unknown

Microorganisms. Flagellata Ernst Haeckel

Microorganisms. Phaeodaria Ernst Haeckel

Glass sponges. Hexactinellae Ernst Haeckel

Portrait of the composer Georg Friedrich Haendel, Anonymous

Portrait of Georg Wilhelm Friedrich Hegel, End 1820s Anonymous

Johann Georg Hackius, 1847 Carl Eybe

Microorganisms. Peridinea Ernst Haeckel

Illustration of mollusk. Acephala Ernst Haeckel

Glass sponges. Hexactinellae Ernst Haeckel

Fungi. Ascomycetes Ernst Haeckel

Portrait of Georges-Charles de Heeckeren dAnthès, 1830s Anonymous

Algae. Fucoideae Ernst Haeckel

Liverworts. Hepaticae Ernst Haeckel

Stalked jellyfishes. Stauromedusae Ernst Haeckel

Microorganisms. Peridinea Ernst Haeckel

Illustration showing a variety of mollusks. Acephala Ernst Haeckel

Algae. Diatomea Ernst Haeckel