The head of Apollo, his physiognomy having metamorphosed from that of a frog. Coloured drawing by J.C. Lavater, 179-. https://www.rawpixel.com/image/14006302/image-face-frame-personFree Image from public domain licenseElectricity: electrical equipment, batteries, etc., and frogs' legs. Engraving, 18--, by Cooper. https://www.rawpixel.com/image/14005854/image-paper-cartoon-personFree Image from public domain licenseFrog amphibian wildlife cartoon. AI generated Image by rawpixel. https://www.rawpixel.com/image/12367707/image-white-background-png-cartoonView licenseA woman with a bird on her head; representing dialectic. Engraving by A. Vallée after M. de Vos. https://www.rawpixel.com/image/14016060/image-cartoon-person-artFree Image from public domain licenseSpotprent op de paniek onder de patriotten na het herstel van stadhouder Willem V, 1787 (1787) by James Gillray and Samuel W… https://www.rawpixel.com/image/13782746/image-paper-cartoon-faceFree Image from public domain licenseFrog green amphibian cartoon. AI generated Image by rawpixel. https://www.rawpixel.com/image/12515083/frog-green-amphibian-cartoon-generated-image-rawpixelView licenseDe tweede plaag van Egypte (1755 - 1779) by Kaiserlich Franziskische Akademie, anonymous and Jozef II Duits keizer https://www.rawpixel.com/image/13774118/image-paper-cartoon-frameFree Image from public domain licenseLurking frog, ripped paper collage element https://www.rawpixel.com/image/6903351/lurking-frog-ripped-paper-collage-elementView licenseTwo bulls fighting by a pond sending frogs leaping into the water. Etching by W.-S. Howitt, ca 1800. https://www.rawpixel.com/image/13986623/image-dog-cartoon-artFree Image from public domain licenseRed-eyed tree frog, ripped paper collage element https://www.rawpixel.com/image/7027737/red-eyed-tree-frog-ripped-paper-collage-elementView licenseOno no Tofu and the Frog (c. 1758) by Torii Kiyohiro, anonymous and Marusho https://www.rawpixel.com/image/13774191/ono-tofu-and-the-frog-c-1758-torii-kiyohiro-anonymous-and-marushoFree Image from public domain licenseDe Repetitie (1787) by Johann Heinrich Ramberg and Thomas Harmar https://www.rawpixel.com/image/13763874/repetitie-1787-johann-heinrich-ramberg-and-thomas-harmarFree Image from public domain licenseDe Voorstelling (1787) by Johann Heinrich Ramberg and Thomas Harmar https://www.rawpixel.com/image/13785362/voorstelling-1787-johann-heinrich-ramberg-and-thomas-harmarFree Image from public domain licenseDe Repetitie (1787) by Johann Heinrich Ramberg and Thomas Harmar https://www.rawpixel.com/image/13784295/repetitie-1787-johann-heinrich-ramberg-and-thomas-harmarFree Image from public domain licenseFrog amphibian wildlife reptile. AI generated Image by rawpixel. https://www.rawpixel.com/image/12228559/photo-image-white-background-woodView licenseFrog and tadpoles (1900 - 1930) by Ohara Koson (1877-1945). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/436543/free-illustration-image-frog-japanese-art-ohara-kosonFree Image from public domain licenseFishing Frog or Angler from The Natural History of British Fishes (1802) by Edward Donovan. Original from the New York… https://www.rawpixel.com/image/431402/free-illustration-image-colorful-fish-animals-seaFree Image from public domain licenseStork and a frog (1688-1698) by Johan Teyler (1648-1709). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/514882/free-illustration-image-frog-stork-art-1600s-antique-cc0Free Image from public domain licenseSmooth blenny from The Natural History of British Fishes (1802) by Edward Donovan. Original from the New York Public… https://www.rawpixel.com/image/431242/free-illustration-image-vintage-sea-life-unique-artwork-1800s-public-domainFree Image from public domain licenseAnacostia, D.C. Frederick Douglass housing project. Boys playing leap frog near the project. Sourced from the Library of… https://www.rawpixel.com/image/12267866/photo-image-face-plant-peopleFree Image from public domain licenseFrog statue sign, Carpetland, 15th Street, Muncie, Indiana (2004) photography in high resolution by John Margolies. Original… https://www.rawpixel.com/image/3800147/photo-image-green-vintage-retroFree Image from public domain licenseField green grassland natural peaceful https://www.rawpixel.com/image/38818/premium-photo-image-meadow-dinosaur-agricultureView licenseField green grassland natural peaceful https://www.rawpixel.com/image/38802/premium-photo-image-summer-dinosaure-dinosaur-agricultureView licenseMacro shot of real toad hiding in the tree https://www.rawpixel.com/image/52427/premium-photo-image-frog-animal-barkView licenseClovis, New Mexico. Compartment in a new Atchison, Topeka and Santa Fe Railroad caboose containing a "frog" for rerailing a… https://www.rawpixel.com/image/12296381/photo-image-public-domain-black-architectureFree Image from public domain licenseField green grassland natural peaceful https://www.rawpixel.com/image/38812/premium-photo-image-agriculture-ancient-animalView licenseField green grassland natural peaceful https://www.rawpixel.com/image/38752/premium-photo-image-dinosaur-agriculture-ancientView licensePoint Pleasant (vicinity), West Virginia. Porcelain frog on lawn of retired riverboat pilot. Sourced from the Library of… https://www.rawpixel.com/image/12293362/photo-image-plant-grass-animalFree Image from public domain license