Study of three feathers (1813–1838) by Dirk Salm. Original from The Rijksmuseum. Digitally enhanced by rawpixel.Free Image from public domain license
Studies of eyes (1630–1640) by Jusepe de Ribera. Original from The Rijksmuseum. Digitally enhanced by rawpixel.Free Image from public domain license
Hemlock from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library of…Free Image from public domain license
Wild carrot from La Botanique de J. J. Rousseau by Pierre-Joseph Redouté (1759–1840). Original from the Library…Free Image from public domain license