Alberto Fortis. Line engraving by G. Fusinati after Sofia Sellier. https://www.rawpixel.com/image/13985977/alberto-fortis-line-engraving-fusinati-after-sofia-sellierFree Image from public domain licenseA brown fluffy dog sitting on the beach. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296602/free-photo-image-dog-golden-retriever-sunFree Image from public domain licenseAn ear-cleaner, attending to a man's ear. Gouache painting by an Indian artist, ca. 1825. https://www.rawpixel.com/image/13958572/image-cartoon-face-personFree Image from public domain licenseFree glass ball, Christmas ornament image, public domain holiday CC0 photo. https://www.rawpixel.com/image/5923919/photo-image-background-xmas-public-domainFree Image from public domain licenseSacramento Water Tower, Meadowview, Sacramento, California, August 14, 2018. https://www.rawpixel.com/image/6111956/photo-image-public-domain-logo-freeFree Image from public domain licenseA man wearing a cloak edged with fur is sitting at a table with a small book and some coins, he is surrounded by antique… https://www.rawpixel.com/image/13975155/image-cartoon-face-frameFree Image from public domain licenseThe Gillies' Breakfast, (Braemar.) by George Washington Wilson https://www.rawpixel.com/image/14299263/the-gillies-breakfast-braemar-george-washington-wilsonFree Image from public domain licenseHarbor Seal (2016) by Chris Wellner. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061680/free-photo-image-amazing-animal-artFree Image from public domain licenseJames Hamilton. Coloured mezzotint by C. Turner after H. Raeburn. https://www.rawpixel.com/image/13989441/james-hamilton-coloured-mezzotint-turner-after-raeburnFree Image from public domain licenseJulio Carlos Alberto Clement. Photograph by Cruces y Campa. https://www.rawpixel.com/image/13991652/julio-carlos-alberto-clement-photograph-cruces-campaFree Image from public domain licenseUnidentified clergyman. Photograph by T.C. Turner & Co. Ltd. https://www.rawpixel.com/image/13977732/unidentified-clergyman-photograph-tc-turner-co-ltdFree Image from public domain licenseHummingbird flying in blue sky. Original public domain image from Flickr https://www.rawpixel.com/image/3390910/free-photo-image-hummingbird-animal-arizonaFree Image from public domain licenseMarcelin Pierre Eugène Berthelot. Photograph after a bust by A. Rodin. https://www.rawpixel.com/image/14010447/marcelin-pierre-eugene-berthelot-photograph-after-bust-rodinFree Image from public domain licenseTwo male students in Grecian Costume before a plaster cast of Aphrodite in the cast room of the Pennsylvania Academy by… https://www.rawpixel.com/image/14284283/image-face-person-artFree Image from public domain licenseFree close up siberian husky dog's face image, public domain animal CC0 photo. https://www.rawpixel.com/image/5901741/photo-image-background-face-public-domainFree Image from public domain licenseA musician playing a trumpet . Gouache painting by an Indian artist. https://www.rawpixel.com/image/13956157/musician-playing-trumpet-gouache-painting-indian-artistFree Image from public domain licenseA young man being instructed in drawing by an older man. Engraving by A. Capellan after D. Maggiotto. https://www.rawpixel.com/image/13977955/image-cartoon-face-personFree Image from public domain licenseSaint Antony of Padua. Mezzotint attributed to J.E. Ridinger. https://www.rawpixel.com/image/13983760/saint-antony-padua-mezzotint-attributed-je-ridingerFree Image from public domain licenseCornelis Bonné and EvgeniÄ Nikanorovich Pavlovsky. Photograph. https://www.rawpixel.com/image/13999467/cornelis-bonne-and-evgeni-nikanorovich-pavlovsky-photographFree Image from public domain licenseFrançois Rabelais. Line engraving by A. Birrell, 1794, after D. Sarrabat. https://www.rawpixel.com/image/13994009/francois-rabelais-line-engraving-birrell-1794-after-sarrabatFree Image from public domain licenseDaniel Wilhelm Triller. Line engraving by C. Fritzsch, 1759, after F. Lippold. https://www.rawpixel.com/image/13995808/daniel-wilhelm-triller-line-engraving-fritzsch-1759-after-lippoldFree Image from public domain licenseUnidentified child seated in a large upholstered chair by Louis Hess https://www.rawpixel.com/image/14310965/unidentified-child-seated-large-upholstered-chair-louis-hessFree Image from public domain licenseJean Astruc. Line engraving by J. Daullé after L. Vigée, 1756. https://www.rawpixel.com/image/13990410/jean-astruc-line-engraving-daulle-after-vigee-1756Free Image from public domain licenseDavid Livingtone's followers, Susi and Chuma, pictured with his former possessions. Photograph, ca. 1873. https://www.rawpixel.com/image/13975539/image-paper-cartoon-personFree Image from public domain licenseCanon's Dutch headquarters in Amstelveen, the Netherlands, April 30, 2017. https://www.rawpixel.com/image/6111440/photo-image-public-domain-logo-freeFree Image from public domain licenseA bookcase with shelves full of old books. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297440/free-photo-image-bookshelf-bookshop-background-libraryFree Image from public domain licenseClaude Louis Berthollet. Lithograph by Delpech after N.E. Maurin. https://www.rawpixel.com/image/14007080/claude-louis-berthollet-lithograph-delpech-after-ne-maurinFree Image from public domain licenseJohann Staininger, a man with a very long beard. Aquatint. https://www.rawpixel.com/image/13999521/johann-staininger-man-with-very-long-beard-aquatintFree Image from public domain licenseOrganes internes du Lapin - Photographie dans l'eau by A L Donnadieu https://www.rawpixel.com/image/14315678/organes-internes-lapin-photographie-dans-leau-donnadieuFree Image from public domain licenseChristian Ludwig Mursinna. Stipple engraving by H. Lehmann junior. https://www.rawpixel.com/image/14016656/christian-ludwig-mursinna-stipple-engraving-lehmann-juniorFree Image from public domain licenseAlberto Fortis. Line engraving by G. Fusinati after Sofia Sellier. https://www.rawpixel.com/image/13998790/alberto-fortis-line-engraving-fusinati-after-sofia-sellierFree Image from public domain licenseBenjamin Martin. Coloured stipple engraving by R. Page, 1815. https://www.rawpixel.com/image/13990708/benjamin-martin-coloured-stipple-engraving-page-1815Free Image from public domain license