A Chinese prisoner kneeling on the ground is having his fingers tortured by three men. Coloured engraving by A. Freschi… https://www.rawpixel.com/image/13957452/image-cartoon-face-personFree Image from public domain licenseSkull, resting on a tree-stump. Coloured chalk drawing, 18--. https://www.rawpixel.com/image/13962793/skull-resting-tree-stump-coloured-chalk-drawing-18Free Image from public domain licenseTwo Chinese prisoners, shackled to large weights: one prisoner sits on a bench tea, while the other fans the flames of a… https://www.rawpixel.com/image/13964820/image-paper-cartoon-faceFree Image from public domain licenseAmerican football player kneeling on field, location unknown, 26 January 2017. View public domain image source here https://www.rawpixel.com/image/6111978/photo-image-public-domain-green-blackFree Image from public domain licensePortrait of Jan Jacob Rochussen, Governor-General of the Dutch East Indies (1845) by Nicolaas Pieneman https://www.rawpixel.com/image/13792513/image-face-person-artFree Image from public domain licensePeople on sand, sunset coastline. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303725/free-photo-image-landscape-nature-ocean-birdFree Image from public domain licenseSir John Frederick William Herschel. Wood engraving, 1871. https://www.rawpixel.com/image/14012434/sir-john-frederick-william-herschel-wood-engraving-1871Free Image from public domain licenseJohnny Depp Walk of Fame Star, Hollywood, LA, California, USA, 03/11/2017. https://www.rawpixel.com/image/6113765/photo-image-public-domain-shape-pinkFree Image from public domain licenseAureolus Theophrastus Bombastus von Hohenheim (Paracelsus). Line engraving by W. Marshall after J. Payne or P. van Sompel… https://www.rawpixel.com/image/13999811/image-cartoon-face-personFree Image from public domain licensePrehensile-tailed Porcupine (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by… https://www.rawpixel.com/image/3061716/free-photo-image-amazing-animal-artFree Image from public domain licenseArthur Wellesley, first Duke of Wellington. Mezzotint by W. Say, 1814, after T. Phillips. https://www.rawpixel.com/image/13990162/image-face-person-artFree Image from public domain licensePierre-François, Baron de Percy. Lithograph by J. Boilly, 1821. https://www.rawpixel.com/image/14005140/pierre-francois-baron-percy-lithograph-boilly-1821Free Image from public domain licenseMalvern Wells, Great Malvern, Worcestershire. Line engraving. https://www.rawpixel.com/image/14009291/malvern-wells-great-malvern-worcestershire-line-engravingFree Image from public domain licenseCosmetic surgery: the back of a man's head, showing his fleshy ears: before surgery. Photograph, 1909 . https://www.rawpixel.com/image/14001087/photo-image-face-person-plasticFree Image from public domain licenseTwo horses and their riders collide head-on, in a park . Coloured lithograph by A. Strassgschwandtner after himself, ca.… https://www.rawpixel.com/image/13956480/image-horse-cartoon-peopleFree Image from public domain licenseFemale photographer sticker, hobby illustration vector. Free public domain CC0 image. https://www.rawpixel.com/image/6431227/vector-sticker-public-domain-womanFree Vector from public domain licenseAbraham Lincoln by Mathew Brady. Original public domain image from Flickr https://www.rawpixel.com/image/8799537/photo-image-face-vintage-public-domainFree Image from public domain licenseJanice Deynes operates the Granja Avicola Pujols, a layers eggs production in San Sebastian, PR as part of the Farm Service… https://www.rawpixel.com/image/3306767/free-photo-image-farm-eggs-butcherFree Image from public domain licenseGloucester smallpox epidemic, 1896: Edwin Davis, a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/13982933/photo-image-face-person-hospitalFree Image from public domain licenseMarco Aurelio Severino. Line engraving by J. Houbraken, 1724. https://www.rawpixel.com/image/13991004/marco-aurelio-severino-line-engraving-houbraken-1724Free Image from public domain licensePortrait of Philips (1566-95), Count of Nassau (c. 1609 - c. 1633) by anonymous https://www.rawpixel.com/image/13796273/portrait-philips-1566-95-count-nassau-c-1609-1633-anonymousFree Image from public domain licensePelham Warren. Mezzotint by J. Linnell, 1836, after himself, 1835. https://www.rawpixel.com/image/14018622/pelham-warren-mezzotint-linnell-1836-after-himself-1835Free Image from public domain licenseEdward Burell, a very old man. Engraving by Leclerc after T.H. Hull, 1772. https://www.rawpixel.com/image/13994066/edward-burell-very-old-man-engraving-leclerc-after-th-hull-1772Free Image from public domain licenseDrie Tibetaanse maskers (1897 - 1910) by anonymous and anonymous https://www.rawpixel.com/image/13755607/drie-tibetaanse-maskers-1897-1910-anonymous-and-anonymousFree Image from public domain licenseFamily portrait: mother, father and two children by B F Green https://www.rawpixel.com/image/14305231/family-portrait-mother-father-and-two-children-greenFree Image from public domain licenseJohn Keats. Reproduction of stipple engraving by H. Meyer, 1828, after J. Severn, 1816. https://www.rawpixel.com/image/13988891/image-face-person-artFree Image from public domain licenseTwo men sitting cross-legged; one is a barber shaving the front of the other's head. Photograph. https://www.rawpixel.com/image/14010001/photo-image-face-person-crossFree Image from public domain licenseFour diagrams illustrating heads with severe wounds, demonstrating how to stitch the skin back together properly. Stipple… https://www.rawpixel.com/image/13957572/image-paper-cartoon-faceFree Image from public domain licenseAugust, Ritter von Schaeffer. Lithograph by J. Kriehuber, 1842. https://www.rawpixel.com/image/14021402/august-ritter-von-schaeffer-lithograph-kriehuber-1842Free Image from public domain licenseGold Nugget Plecostomus (2016) by Stan Bysshe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060560/free-photo-image-gold-catfish-amazingFree Image from public domain licenseRobert Brown. Line engraving by C. Fox, 1837, after H. W. Pickersgill. https://www.rawpixel.com/image/14019095/robert-brown-line-engraving-fox-1837-after-pickersgillFree Image from public domain licenseLazare-Nicolas Marguerite Carnot. Engraving by J. Massard, 1895. https://www.rawpixel.com/image/13985706/lazare-nicolas-marguerite-carnot-engraving-massard-1895Free Image from public domain licenseJohn Cheyne. Stipple engraving by J. Cochran, 1838, after W. Deey. https://www.rawpixel.com/image/14010780/john-cheyne-stipple-engraving-cochran-1838-after-deeyFree Image from public domain licenseMungo Park. Stipple engraving by F. W. Bollinger after H. Edridge. https://www.rawpixel.com/image/13999655/mungo-park-stipple-engraving-bollinger-after-edridgeFree Image from public domain licenseSir Joseph Dalton Hooker. Wood engraving by W.G. Smith after himself. https://www.rawpixel.com/image/13992631/sir-joseph-dalton-hooker-wood-engraving-wg-smith-after-himselfFree Image from public domain licenseA piece of metal whose heterogeneity is apparent when viewed through x-ray. Photoprint from radiograph by W.K. Röntgen, 1895. https://www.rawpixel.com/image/14005661/image-paper-art-patternFree Image from public domain licenseThomas Kirkpatrick Monro. Photograph by T. & R. Annan & Sons Ltd, 1932. https://www.rawpixel.com/image/14015935/thomas-kirkpatrick-monro-photograph-annan-sons-ltd-1932Free Image from public domain licenseMaud "There has fallen a splendid tear" / "From the passion flower at the gate." by Julia Margaret Cameron https://www.rawpixel.com/image/14286143/image-face-flower-personFree Image from public domain licenseChina. Photograph, 1981, from a negative by John Thomson, 1869. https://www.rawpixel.com/image/14018558/china-photograph-1981-from-negative-john-thomson-1869Free Image from public domain licenseChristian Albert Theodor Billroth. Photograph by F. Luckhardt. https://www.rawpixel.com/image/14003802/christian-albert-theodor-billroth-photograph-luckhardtFree Image from public domain license