The attitudes of animals in motion, by Muybridge, arranged for the zoetrope, photographed from the life in 1878-79, [United… https://www.rawpixel.com/image/7688869/image-muybridge-zoetrope-illustrationFree Image from public domain licenseA postcard wishing good luck illustrated by various lucky charms. Chromolithograph. https://www.rawpixel.com/image/13969005/image-horses-cartoon-plantFree Image from public domain licenseMonarch butterfly on branch, blue background. Original public domain image from Flickr https://www.rawpixel.com/image/4029077/photo-image-woods-butterfly-forestFree Image from public domain licenseLion between Sun and Moon, by Jaroš Griemiller, translation into Czech of the Rosarium Philosophorum, Prague, 1578 https://www.rawpixel.com/image/9975993/image-face-plant-personFree Image from public domain licenseCopies of illustrations in Magner's new book on "The art of taming and educating horses," etc. https://www.rawpixel.com/image/7687756/image-book-art-vintageFree Image from public domain licenseFree cute close up beagle dog's face image, public domain animal CC0 photo. https://www.rawpixel.com/image/5921802/photo-image-background-face-public-domainFree Image from public domain licenseFree blue jay with nature background portrait photo, public domain animal CC0 image. https://www.rawpixel.com/image/5922135/photo-image-background-public-domain-natureFree Image from public domain licenseFree bulldog with leash sitting in a park image, public domain animal CC0 photo. https://www.rawpixel.com/image/5922569/photo-image-background-public-domain-cuteFree Image from public domain licenseFeb. 29, 2012. "Sonya Hebert made this amusing photograph of Bo, the Obama family dog, as he was being videotaped for the… https://www.rawpixel.com/image/4048852/photo-image-public-domain-dog-cameraFree Image from public domain licenseFree 2 German shepherd dog standing at dawn image, public domain animal CC0 photo. https://www.rawpixel.com/image/5924755/photo-image-background-public-domain-dogFree Image from public domain licenseFree bulldog standing on grass field image, public domain animal CC0 photo. https://www.rawpixel.com/image/5923312/photo-image-background-public-domain-greenFree Image from public domain licenseUnderwater shot of stringway with sunlight casting shadow on sandy ocean floor. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3286080/free-photo-image-ocean-fish-fishesFree Image from public domain licenseA side view of a rabbit in a grassy knoll. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282184/free-photo-image-wild-rabbit-animal-bunnyFree 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 licenseWhite & brown dog sitting on white background. Free public domain CC0 photo. https://www.rawpixel.com/image/6039068/photo-image-background-public-domain-dogFree Image from public domain licenseFree red fox on black background image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925787/photo-image-background-public-domain-natureFree Image from public domain licenseBeautiful butterfly on white background. Free public domain CC0 image. https://www.rawpixel.com/image/6043543/photo-image-background-public-domain-blueFree Image from public domain licenseBuldog (c. 1883 - in or before 1888) by anonymous and Edward Bierstadt https://www.rawpixel.com/image/13756960/buldog-c-1883-before-1888-anonymous-and-edward-bierstadtFree Image from public domain licenseIllustration emphasizing the ancient pseudo-science of physiognomy which tries to determine a man's character from his… https://www.rawpixel.com/image/13993204/image-paper-cartoon-faceFree Image from public domain licensePlague in Phrygia. Engraving by M. Raimondi after Raphael after Virgil. https://www.rawpixel.com/image/14021474/plague-phrygia-engraving-raimondi-after-raphael-after-virgilFree Image from public domain licenseJulii Casserii Placentini ... De vocis auditusque organis historia anatomica singulari fide methodo ac industria concinnata… https://www.rawpixel.com/image/13987620/image-cartoon-book-artFree Image from public domain licenseLes œuvres d'Ambroise Paré ... Diuisees en vingt huict liures, auec les figures et portraicts, tant de l'anatomie, que des… https://www.rawpixel.com/image/14008042/image-paper-cartoon-bookFree Image from public domain licenseA woman is sitting at a desk in a library, writing. Engraving by I. Taylor after himself. https://www.rawpixel.com/image/13955820/image-cat-cartoon-faceFree Image from public domain licenseAffiche voor het theatercafé Le Chat Noir in Parijs (1896) by Théophile Alexandre Steinlen and Charles Verneau https://www.rawpixel.com/image/13766667/image-paper-cat-cartoonFree Image from public domain license