A galaxy known as NGC 4656 or the Hockey Stick Galaxy, located in the constellation of Canes Venatici (The Hunting Dogs).… https://www.rawpixel.com/image/440015/galaxyFree Image from public domain licenseFree golden retriever puppy sitting together image, public domain animal CC0 photo. https://www.rawpixel.com/image/5926065/photo-image-background-public-domain-dogFree Image from public domain licenseSitting dog in a chair by a window (1900–1910) by anonymous. Original from The Rijksmuseum. Digitally enhanced by… https://www.rawpixel.com/image/843247/sitting-terrier-dogFree Image from public domain licenseA pug wrapped in a blanket on a bed. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305094/free-photo-image-bulldog-dog-pugFree Image from public domain licenseIllustration from "The little folks of animal land". Inscription below image: "Miss Kindeyes thought herself too severe."… https://www.rawpixel.com/image/11493454/photo-image-dog-face-catFree Image from public domain licenseIllustration from "The little folks of animal land". Inscription below image: "Rosie was a patient model." (1915) animal art… https://www.rawpixel.com/image/11493528/photo-image-dog-cat-artFree Image from public domain licenseVintage dog photo apparently dated 1894 from Bonque & Kindermann photographers in Hamburg, Germany. https://www.rawpixel.com/image/9975283/photo-image-dog-face-personFree Image from public domain licenseA pitbull on a leash on a lawn covered with autumn leaves. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301288/free-photo-image-flower-animal-animals-and-petsFree Image from public domain licenseAn x–ray of an ununited anconeal process (UAP) in a dog. UAP is a genetic disease of the canine elbow and commonly… https://www.rawpixel.com/image/2298619/free-photo-image-vintage-xray-photosFree Image from public domain licenseFree welsh corgi dog on grass ground image, public domain animal CC0 photo. https://www.rawpixel.com/image/5923634/photo-image-background-public-domain-dogFree Image from public domain license"Secretaries, housewives, waitresses, women from all over central Florida are getting into vocational schools to learn war… https://www.rawpixel.com/image/8765796/photo-image-christmas-moon-vintageFree Image from public domain licenseDog Bark Park Bed & Breakfast, Cottonwood, Idaho (2004) photography in high resolution by John Margolies. Original from the… https://www.rawpixel.com/image/3803739/photo-image-blue-vintage-retroFree Image from public domain licenseTigress, walking. From a portfolio of 83 collotypes, 1887, by Edweard Muybridge; part of 781 plates published under the… https://www.rawpixel.com/image/7652888/photo-image-vintage-art-public-domainFree Image from public domain licenseFree yorkshire terrier puppy image, public domain animal CC0 photo. https://www.rawpixel.com/image/5915661/photo-image-background-public-domain-blackFree Image from public domain licenseFree three dogs in party hats smiling image, public domain animal CC0 photo. https://www.rawpixel.com/image/5928229/photo-image-background-public-domain-pinkFree Image from public domain licenseCute white golden retriever puppy lying on white couch. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337743/free-photo-image-golden-retriever-animal-puppyFree Image from public domain licenseActual skateboarders mimic those on a street mural, Louisville, Kentucky (1980-2006) by Carol M. Highsmith. Original image… https://www.rawpixel.com/image/595063/carol-highsmiths-kentucky-photographFree Image from public domain licenseThree brown puppies on dirt road photography. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3300403/free-photo-image-dog-animalFree Image from public domain licenseA fat and sassy prairie dog on the grounds of Devil's Tower National Monument in Crook County, Wyoming. Original image from… https://www.rawpixel.com/image/434365/prairie-dogFree Image from public domain licensePuka the chocolate lab, in Aspen, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433756/free-photo-image-dog-black-and-whiteFree Image from public domain licenseDogs on deck. Hospital ships. Transport of sick and wounded. U.S.S. Relief Archives1920s. Original public domain image from… https://www.rawpixel.com/image/3393976/free-photo-image-animal-black-and-white-boatFree Image from public domain licenseA pug wrapped in a plaid blanket sitting on the forest floor. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304941/free-photo-image-animal-pug-bagFree Image from public domain licenseJamie a Llewellin setter at Big Creek cattle ranch in Carbon County, Wyoming. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434495/free-photo-image-dog-farm-animal-photographyFree Image from public domain licenseIllustration from "The little folks of animal land". Inscription below image: "Miss Kindeyes thought herself too severe." https://www.rawpixel.com/image/9975861/photo-image-dog-face-catFree Image from public domain licenseIllustration from "The little folks of animal land". Inscription below image: "Rosie was a patient model." https://www.rawpixel.com/image/9975275/photo-image-dog-cat-artFree Image from public domain licenseSiberian husky dog with bright blue eyes in the snow. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303779/free-photo-image-dog-canada-faceFree Image from public domain licenseStorybook Land Park, Aberdeen, South Dakota (1987) photography in high resolution by John Margolies. Original from the… https://www.rawpixel.com/image/3800322/photo-image-art-vintage-retroFree Image from public domain licenseYorkshire terrier sitting on tile floor. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337791/free-photo-image-dog-animal-canineFree Image from public domain licenseBlack dog lying on sand with a ball. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3299974/free-photo-image-animal-animals-images-pictures-ballFree Image from public domain licenseFree brown beagle close up face image, public domain animal CC0 photo. https://www.rawpixel.com/image/5924915/photo-image-background-face-public-domainFree Image from public domain licenseShepherd puppy sitting on white couch. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297325/free-photo-image-dog-puppy-sittingFree Image from public domain licenseA long-haired cat snuggling up to a dog. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3299633/free-photo-image-cat-tiger-angoraFree Image from public domain licenseMurals, Louisville Murals-Fox Hunting, by Frank Weathers Long at the Gene Snyder U.S Courthouse & Custom House, Louisville… https://www.rawpixel.com/image/595047/carol-highsmiths-kentucky-photographFree Image from public domain licenseDog's head ceramic piggy bank (1890) figure. Original public domain image from The Minneapolis Institute of Art. Digitally… https://www.rawpixel.com/image/8543985/photo-image-aesthetic-art-vintageFree Image from public domain licenseCowboys and their dog ford the North Platte River on the Park Range Ranch, near the Wyoming border in Jackson County's… https://www.rawpixel.com/image/582502/carol-highsmiths-colorado-photographFree Image from public domain licenseTwo dogs, Jesse and Maude, await the next portion of their ride in the back of a motorcycle in South Hero, Vermont. Original… https://www.rawpixel.com/image/434601/free-photo-image-animals-bag-usaFree Image from public domain licenseMrs. Schuyler Burning Her Wheat Fields on the Approach of the British by Emanuel Gottlieb Leutze https://www.rawpixel.com/image/11922597/image-dog-plant-personFree Image from public domain licenseCute lying yorkshire terrier's close up face shot. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338510/free-photo-image-animal-canine-cc0Free Image from public domain licenseHitchhiker with His Dog "Tripper" on U.S. 66, May 1972. Original public domain image from Flickr https://www.rawpixel.com/image/8765684/photo-image-t-shirt-vintage-personFree Image from public domain licenseMiner, using a pick. From a portfolio of 83 collotypes, 1887, by Edweard Muybridge; part of 781 plates published under the… https://www.rawpixel.com/image/7655054/photo-image-vintage-art-public-domainFree Image from public domain licenseFree whoodle dog standing on log watching scenic view image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925470/photo-image-background-public-domain-treeFree Image from public domain licenseA pug wrapped in furry blanket. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305090/free-photo-image-pug-dog-animalFree Image from public domain licenseActual skateboarders mimic those on a street mural, Louisville, Kentucky (1980-2006) by Carol M. Highsmith. Original image… https://www.rawpixel.com/image/595057/carol-highsmiths-kentucky-photographFree Image from public domain licensePortrait of Maria Frederike van Reede-Athlone at Seven Years of Age by Jean Étienne Liotard https://www.rawpixel.com/image/14263073/image-dog-face-personFree Image from public domain licenseDogs and all about them (1910) photograph art by Robert Leighton. Original public domain image from Wikimedia Commons.… https://www.rawpixel.com/image/11493460/photo-image-dog-face-personFree Image from public domain licenseCocker spaniels (1960–1979), vintage dog illustration postcard. Original public domain image from Digital… https://www.rawpixel.com/image/9848597/photo-image-dog-art-animalFree Image from public domain licenseFree 2 yorkshire terrier puppy sit together image, public domain animal CC0 photo. https://www.rawpixel.com/image/5915393/image-background-public-domain-blackFree Image from public domain licenseFree black labrador retriever dog image, public domain animal CC0 photo. https://www.rawpixel.com/image/5924049/photo-image-background-public-domain-dogFree Image from public domain license09-7928-28 Marines against the Sea - Marine sentries and War Dogs keep nightly vigils along the shores of Okinawa to guard… https://www.rawpixel.com/image/3393801/free-photo-image-german-shepherd-doberman-world-warFree Image from public domain licenseConey Island Hot Dog shop neon sign in Fort Wayne, Indiana. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/3095760/free-photo-image-coney-island-america-carol-highsmithFree Image from public domain licenseFree golden retriever dog wearing glasses image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925966/photo-image-background-face-whiteFree Image from public domain licenseFree manchester terrier puppy running image, public domain animal CC0 photo. https://www.rawpixel.com/image/5908456/image-background-public-domain-greenFree Image from public domain licenseFree boston terrier puppy under a cloth in black and white image, public domain animal CC0 photo. https://www.rawpixel.com/image/5918182/image-background-public-domain-dogFree Image from public domain licenseFree furry, white, brown and beige dog squinting his eyes image, public domain animal CC0 photo. https://www.rawpixel.com/image/5918841/image-background-face-public-domainFree Image from public domain licenseFree Australian Shepherd on grass image, public domain pet CC0 photo. https://www.rawpixel.com/image/5921340/photo-image-background-public-domain-dogFree Image from public domain licenseStanding elegant husky, close up face shot. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3372340/free-photo-image-husky-dog-animal-canineFree Image from public domain licenseClose-up of a dog's face in a forest in winter. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3302646/free-photo-image-dog-abies-animalFree Image from public domain licensePuka the chocolate lab, in Aspen, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433755/free-photo-image-dog-winter-animalFree Image from public domain licenseTry Dr. Seth Arnold's Cough Killer: It Works Like MaIiceCollection:Images from the History of Medicine… https://www.rawpixel.com/image/9648442/image-dog-face-personFree Image from public domain licenseFree 2 shih tzu dog lying together image, public domain animal CC0 photo. https://www.rawpixel.com/image/5915565/image-background-public-domain-blackFree Image from public domain licenseFree cavalier king charles spaniel dog image, public domain animal CC0 photo. https://www.rawpixel.com/image/5928043/photo-image-background-public-domain-pinkFree Image from public domain licenseFree yorkshire terrier dog held by veterinarian image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925163/photo-image-background-public-domain-dogFree Image from public domain licensePembroke Welsh Corgi lying on grass ground. Original public domain image from Flickr https://www.rawpixel.com/image/4024965/photo-image-flower-plant-natureFree Image from public domain licenseCute yorkshire terrier's close up face shot. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338447/free-photo-image-animal-canine-cc0Free Image from public domain licenseA person stroking a small white yawning dog on a sofa. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297214/free-photo-image-dog-playing-pet-human-and-cat-images-picturesFree Image from public domain license