Ivory Billed Woodpecker, Green Woodpecker, Great Spotted Woodpecker, and Lesser Spotted Woodpecker from A history of the… Free Image from public domain license 
Reclining Tahitian (fragment) (1894) by Paul Gauguin. Original from The Art Institute of Chicago. Digitally enhanced by… Free Image from public domain license 
Etiket met ooievaar (1895) print in high resolution by Theo van Hoytema. Original from The Rijksmuseum. Digitally enhanced by… Free Image from public domain license 
Lily, hand–colored collotype from Some Japanese Flowers (1896) by Kazumasa Ogawa. Original from the J. Paul Getty… Free Image from public domain license