Sarus crane in rice field, vintage Japanese animal painting, by G.A. Audsley-Japanese illustration. Public domain image… https://www.rawpixel.com/image/10193034/image-art-grass-vintageFree Image from public domain licenseAstronomy: a chart of the constellations Great Bear and Little Bear. Engraving. https://www.rawpixel.com/image/13966151/astronomy-chart-the-constellations-great-bear-and-little-bear-engravingFree Image from public domain licenseLayout for title page for "Hvem har Bolden".Caricatured portrait of Carl Alstrup by Robert Storm Petersen https://www.rawpixel.com/image/8921675/image-face-watercolor-artFree Image from public domain licenseA Frog Sitting on Coins and Holding a Sphere: Allegory of Avarice by Jacques de Gheyn II https://www.rawpixel.com/image/14261665/image-paper-cartoon-horsesFree Image from public domain licenseTop, a mole; bottom, an écorché mole. Engraving by J.C. Baquoy after Buvée l'Amériquain, 1760. https://www.rawpixel.com/image/13956617/image-cartoon-animal-public-domainFree Image from public domain licenseThe Birth of Alexander by Master of the Jardin de vertueuse consolation https://www.rawpixel.com/image/14246273/the-birth-alexander-master-the-jardin-vertueuse-consolationFree Image from public domain licenseSix four-footed mammals, including sloths and ant eater. Line engraving by J. Scott after S. Edwards. https://www.rawpixel.com/image/13967610/image-dog-paper-cartoonFree Image from public domain licenseContorni di Salerno - (Abbadia Trinità della Cava) Ambone per l'Evangelo; stile Cosmatesco, XIII secolo by Giacomo Brogi https://www.rawpixel.com/image/14248361/photo-image-dog-lions-personFree Image from public domain license[Levuka, Fijian gathering Cocoa Nuts] (July 1884) by Burton Brothers and Alfred Burton. https://www.rawpixel.com/image/13028651/image-picture-frame-public-domain-black-and-white-palm-tree-alfred-burtonFree Image from public domain licenseSkeleton of the Megatherium next to a human skeleton. Etching by W. H. Lizars. https://www.rawpixel.com/image/13996196/skeleton-the-megatherium-next-human-skeleton-etching-lizarsFree Image from public domain licenseAbove, two dendrites with treelike and mosslike markings, a nine banded armadillo, a beetle, four marsupials and two… https://www.rawpixel.com/image/13980102/image-paper-cat-cartoonFree Image from public domain licenseDecoratief ontwerp (1874 - 1945) by Carel Adolph Lion Cachet https://www.rawpixel.com/image/13794847/decoratief-ontwerp-1874-1945-carel-adolph-lion-cachetFree Image from public domain licenseAn "Indian wolf" is standing in front of a tree with exotic vegetation in the background. Etching by J. E. Ridinger. https://www.rawpixel.com/image/13983752/image-background-cat-plantFree Image from public domain licenseCrew Members of the Selfridge Expedition to the Isthmus of Darién (Panama) by Timothy H O Sullivan https://www.rawpixel.com/image/14272681/photo-image-palm-tree-face-plantFree Image from public domain licenseThe circulatory system: dissections of the male reproductive system, with the arteries and veins indicated in red and blue.… https://www.rawpixel.com/image/13991236/image-person-art-animalFree Image from public domain licensePenfield, Greene County, Georgia. Miss Estelle Colclough. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280308/photo-image-face-frame-personFree Image from public domain license