A Hindu raja. Gouache painting by an Indian artist, ca. 1750. https://www.rawpixel.com/image/13968681/hindu-raja-gouache-painting-indian-artist-ca-1750Free Image from public domain licenseFree red glass ball, Christmas ornament image, public domain holiday CC0 photo. https://www.rawpixel.com/image/5921148/photo-image-background-xmas-public-domainFree Image from public domain licenseJohn Ray. Line engraving by A. de Bloys after W. Elder after W. Faithorne. https://www.rawpixel.com/image/13977207/john-ray-line-engraving-bloys-after-elder-after-faithorneFree Image from public domain licenseAngels Heads, by Sir Joshua Reynolds, R.A. by Robert Howlett https://www.rawpixel.com/image/14315514/angels-heads-sir-joshua-reynolds-ra-robert-howlettFree Image from public domain licenseJohann Caspar Spurzheim. Pencil drawing by Honorine Spurzheim, 1825. https://www.rawpixel.com/image/13995190/johann-caspar-spurzheim-pencil-drawing-honorine-spurzheim-1825Free Image from public domain licenseJ. Hugh Crichton d. 1871 - mar. Jessie eldest dau. of George Henderson of Liverpool. by Camille Silvy https://www.rawpixel.com/image/14307138/photo-image-face-person-artFree Image from public domain licenseSurfer with a surfboard walking towards the ocean on the sand beach in San Diego at sunset. Original public domain image… https://www.rawpixel.com/image/3289660/free-photo-image-animal-bay-beachFree Image from public domain licenseFrancis Shillington-Scales. Photograph by J. Palmer Clarke. https://www.rawpixel.com/image/14021462/francis-shillington-scales-photograph-palmer-clarkeFree Image from public domain licenseKarl, Freiherr von Rokitansky. Lithograph by A. Prinzhofer, 1846. https://www.rawpixel.com/image/14014778/karl-freiherr-von-rokitansky-lithograph-prinzhofer-1846Free Image from public domain licenseA Mughal courtier holding a flower in each hand. Watercolour drawing by an Indian artist. https://www.rawpixel.com/image/13994710/image-cartoon-face-flowerFree Image from public domain licensePFC Cory Musser from 2nd Stryker Cavalry Regiment, US Army Europe, prepares his Stryker for the early morning mission, at… https://www.rawpixel.com/image/4043678/photo-image-person-public-domainFree Image from public domain licenseResearches into the physical history of mankind / [James Cowles Prichard]. https://www.rawpixel.com/image/13985740/researches-into-the-physical-history-mankind-james-cowles-prichardFree Image from public domain licenseMichel Eugène Chevreul. Photogravure by Krakow after G. F. Tournachon [Nadar], 1886. https://www.rawpixel.com/image/14012722/image-paper-cartoon-faceFree Image from public domain licenseUnidentified well-dressed young man posed on a window sill by J Aston Briggs https://www.rawpixel.com/image/14306791/unidentified-well-dressed-young-man-posed-window-sill-aston-briggsFree Image from public domain licenseTwo Chinese men standing contemplatively before a man whose head is confined in a contraption similar to stocks. Watercolour… https://www.rawpixel.com/image/13967807/image-cartoon-face-peopleFree Image from public domain licenseChina. Photograph, 1981, from a negative by John Thomson, 1871. https://www.rawpixel.com/image/13997278/china-photograph-1981-from-negative-john-thomson-1871Free Image from public domain licenseSaint Matthew: with the aid of an angel he writes his gospel. Stipple engraving by F. Bartolozzi, 1770, after G.F. Barbieri… https://www.rawpixel.com/image/13974135/image-paper-angel-cartoonFree Image from public domain licenseVisitekaart van Gerrit Konsé (1761 - 1828) by Gerrit Konsé https://www.rawpixel.com/image/13769585/visitekaart-van-gerrit-konse-1761-1828-gerrit-konseFree Image from public domain licensePortret van Frederik, prins der Nederlanden (1871 - 1931) by anonymous https://www.rawpixel.com/image/13762493/portret-van-frederik-prins-der-nederlanden-1871-1931-anonymousFree Image from public domain licenseFive demons: one performs dental surgery on another, while another with a swollen mouth waits for attention. Coloured… https://www.rawpixel.com/image/13969722/image-cartoon-face-personFree Image from public domain licensePortrait of an unidentified family: mother and son standing, bearded father seated by John McKean https://www.rawpixel.com/image/14307614/image-face-person-artFree Image from public domain licenseBeach seats in the north sea of Germany. Free public domain CC0 photo. https://www.rawpixel.com/image/6023699/photo-image-background-public-domain-oceanFree Image from public domain licenseEdward Jenner. Stipple engraving by E. Scriven after J. R. Smith, 1800. https://www.rawpixel.com/image/13990424/edward-jenner-stipple-engraving-scriven-after-smith-1800Free Image from public domain licenseBenjamin Rush. Stipple engraving by W. S. Leney, 1814, after T. Sully. https://www.rawpixel.com/image/13976648/benjamin-rush-stipple-engraving-leney-1814-after-sullyFree Image from public domain licenseA man administers an enema to a baby. Reproduction of a painting by J.A. Garemyn, 1778. https://www.rawpixel.com/image/13988565/image-face-person-artFree Image from public domain license"Fisherman's Wife with Children on a Dune" by David Adolphe Constant Artz by Johannes Baer https://www.rawpixel.com/image/14314641/image-face-person-grassFree Image from public domain licenseFriedrich III, Crown Prince of Germany. Woodburytype by Lock & Whitfield. https://www.rawpixel.com/image/14022083/friedrich-iii-crown-prince-germany-woodburytype-lock-whitfieldFree Image from public domain licenseClose up wild raccoon looking at camera. Original public domain image from Flickr https://www.rawpixel.com/image/4029537/raccoon-original-public-domain-image-from-flickrFree Image from public domain licenseBaron Albrecht von Haller. Line engraving by P. F. Tardieu, 1757, after E. J. Handmann. https://www.rawpixel.com/image/14017843/image-cartoon-face-personFree Image from public domain licenseFrancis Bacon, Viscount St Albans. Line engraving after A. Bleyenberch. https://www.rawpixel.com/image/14021504/francis-bacon-viscount-albans-line-engraving-after-bleyenberchFree Image from public domain licenseWilliam Babington. Stipple engraving by W. T. Fry after J. Tannock. https://www.rawpixel.com/image/13980557/william-babington-stipple-engraving-fry-after-tannockFree Image from public domain licenseSir Isaac Newton. Engraving by J. Swaine after E. Seeman, 1726. https://www.rawpixel.com/image/14008496/sir-isaac-newton-engraving-swaine-after-seeman-1726Free Image from public domain licenseJedediah Buxton, a mental calculator. Etching after Mary Hartley. https://www.rawpixel.com/image/13971382/jedediah-buxton-mental-calculator-etching-after-mary-hartleyFree Image from public domain licenseDavid van Gesscher. Line engraving by B. de Bakker after R. Jelgerhuis. https://www.rawpixel.com/image/13998759/david-van-gesscher-line-engraving-bakker-after-jelgerhuisFree Image from public domain licenseFree look up to sky leaves tree image, public domain botanical CC0 photo. https://www.rawpixel.com/image/5926371/photo-image-public-domain-leaves-treeFree Image from public domain licenseA beggar dressed in ragged clothes walks on crutches begging for scraps. Coloured lithograph by E. Hull, 1825. https://www.rawpixel.com/image/13967947/image-cartoon-face-personFree Image from public domain license