De 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 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 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 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