Zebras standing on a grassy plain in Namibia. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305756/free-photo-image-savannah-zebra-zebra-wildlifeFree Image from public domain licenseToda Mongke and His Mongol Horde, Folio from a Chingiznama (History of Genghis Khan) by Tulsi and Madhava https://www.rawpixel.com/image/11932610/image-dog-face-personFree Image from public domain licenseTale-Bearers - Blasts of Wind, plate 48 from Los Caprichos by Francisco José de Goya y Lucientes https://www.rawpixel.com/image/8979625/image-paper-cat-frameFree Image from public domain licenseA horde of unidentified bats, an animal know to be a possible carrier of the rabies virus. Original image sourced from US… https://www.rawpixel.com/image/2288470/free-photo-image-bat-public-domain-vectors-animalFree Image from public domain licenseThe Pirate Publisher—An International Burlesque that has the Longest Run on Record by Joseph Ferdinand Keppler, published as… https://www.rawpixel.com/image/7665797/image-book-art-vintageFree Image from public domain licenseFive-cent US Postal Currency, first issue, featuring Thomas Jefferson. Gold, silver and copper coins were horded at the… https://www.rawpixel.com/image/7665342/image-art-vintage-goldFree Image from public domain licenseHordes of infirm people with crutches and wheelchairs making their way down the hill to Bath from the Royal Crescent.… https://www.rawpixel.com/image/13964404/image-dogs-cartoon-faceFree Image from public domain licenseThese four photographs were taken at the railroad station when a noon train came in. All trains coming into San Diego are… https://www.rawpixel.com/image/12110207/image-person-art-vintageFree Image from public domain licenseThese four photographs were taken at the railroad station when a noon train came in. All trains coming into San Diego are… https://www.rawpixel.com/image/12110020/image-person-art-skyFree Image from public domain licenseHordes of infirm people with crutches and wheelchairs making their way down the hill to Bath from the Royal Crescent.… https://www.rawpixel.com/image/14000122/image-dogs-cartoon-personFree Image from public domain license[Untitled photo, possibly related to: Child of family encamped in the open after leaving the Arkansas River bottoms because… https://www.rawpixel.com/image/12108735/image-face-cow-plantFree Image from public domain licenseThese four photographs were taken at the railroad station when a noon train came in. All trains coming into San Diego are… https://www.rawpixel.com/image/12150470/image-person-art-vintageFree Image from public domain licenseConstruction workman, his sister and her little girl in rented house. San Diego, California. They live together. He supports… https://www.rawpixel.com/image/12149550/image-face-frame-peopleFree Image from public domain licenseThese four photographs were taken at the railroad station when a noon train came in. All trains coming into San Diego are… https://www.rawpixel.com/image/12109936/image-person-art-vintageFree Image from public domain licenseManpower. Americans all. Operating a low-swing engine lathe, Joe Zorich (left) and Chuck Doe, both nineteen, are typical of… https://www.rawpixel.com/image/12308030/image-hand-person-technologyFree Image from public domain licenseDigital Online Crowd Large Group of People Concept https://www.rawpixel.com/image/707996/free-image-rawpixelView licenseDigital Online Crowd Large Group of People Concept https://www.rawpixel.com/image/707788/free-image-rawpixelView licenseDigital Online Crowd Large Group of People Concept https://www.rawpixel.com/image/707753/free-image-rawpixelView licenseChild of family encamped in the open after leaving the Arkansas River bottoms because of hordes of mosquitoes. This camp was… https://www.rawpixel.com/image/12168892/image-face-plant-personFree Image from public domain licenseDigital Online Crowd Large Group of People Concept https://www.rawpixel.com/image/707775/free-image-rawpixelView licenseDigital Online Crowd Large Group of People Concept https://www.rawpixel.com/image/707978/free-image-rawpixelView license