Anatomy of the Human Body

Anatomical Atlas

Skelet van een hand

Public Domain Image Archive

Poissons, Ecrevisses et Crabes, de Diverses Couleurs et Figures Extraordinaires

The Book of Life: The Spiritual and Physical Constitution of Man

Hawaiian Fishes

The Great Barrier Reef: Its Products and Potentialities

Project Gutenberg

Other Minds: The Octopus, the Sea, and the Deep Origins of Consciousness

Ciechanowski

Whole Earth Index

The Metropolitan Museum of Art Open Access Initiative