Sir William Jardine. Wood engraving, 1874, after Maull & Polyblank. https://www.rawpixel.com/image/13996124/sir-william-jardine-wood-engraving-1874-after-maull-polyblankFree Image from public domain licensePietro Paola Tanaron. Line engraving by J. Lapi, 1768, after A. Piattoli. https://www.rawpixel.com/image/13975271/pietro-paola-tanaron-line-engraving-lapi-1768-after-piattoliFree Image from public domain licenseUnidentified man with moustache standing, wearing a medal on his lapel by Bayard and Bertall https://www.rawpixel.com/image/14310659/image-face-hand-peopleFree Image from public domain licenseCoal Hauling Truck on Route #519, 07/1974. Original public domain image from Flickr https://www.rawpixel.com/image/8802655/photo-image-nature-soil-vintageFree Image from public domain licenseMale lion with mane in wild yawning showing big teeth. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298076/free-photo-image-animal-lion-south-africaFree Image from public domain licenseVirorum doctorum de disciplinis bene merentium effigies XLIIII / A Philippo Galleo. https://www.rawpixel.com/image/13986661/image-cartoon-face-personFree Image from public domain licenseGiambattista Garzetti. Line engraving by Caterina Piotti-Pirola after Pock. https://www.rawpixel.com/image/14009288/giambattista-garzetti-line-engraving-caterina-piotti-pirola-after-pockFree Image from public domain licenseFranciscus Sylvius [Deleboe]. Line engraving, 1720, after C. van Dalen. https://www.rawpixel.com/image/13971067/franciscus-sylvius-deleboe-line-engraving-1720-after-van-dalenFree Image from public domain licenseA tooth-drawer extracting a tooth from a grimacing patient. Coloured lithograph by D. Alexander after L. Boilly. https://www.rawpixel.com/image/13953929/image-cartoon-face-personFree Image from public domain licenseOnce removed. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337386/free-photo-image-public-domain-city-face-building-cc0Free Image from public domain license"Compassion" from le Brun, Heads. Representing the various passions of the soul..., circa 1760 https://www.rawpixel.com/image/13993878/image-paper-cartoon-faceFree Image from public domain licenseOnbekende Japanse vrouw op de rug gezien (1885) by anonymous https://www.rawpixel.com/image/13760585/onbekende-japanse-vrouw-rug-gezien-1885-anonymousFree Image from public domain licenseGilbert Knowles. Mezzotint by J. Faber, 1724, after T. Murray. https://www.rawpixel.com/image/13983249/gilbert-knowles-mezzotint-faber-1724-after-murrayFree Image from public domain licenseUnidentified man with a bushy moustache, seated by Harvey R Marks https://www.rawpixel.com/image/14307312/unidentified-man-with-bushy-moustache-seated-harvey-marksFree Image from public domain licenseAdam Sedgwick. Lithograph by J. H. Lynch after S. Laurence, 1844. https://www.rawpixel.com/image/13993613/adam-sedgwick-lithograph-lynch-after-laurence-1844Free Image from public domain licenseSir Charles Aldis. Stipple engraving by T. Wageman after himself. https://www.rawpixel.com/image/14014740/sir-charles-aldis-stipple-engraving-wageman-after-himselfFree Image from public domain licenseFrancis Henry Ramsbotham. Photograph by Ernest Edwards, 1868. https://www.rawpixel.com/image/14005845/francis-henry-ramsbotham-photograph-ernest-edwards-1868Free Image from public domain licenseMiguel A. Otero by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14316681/miguel-otero-james-earle-mcclees-and-julian-vannersonFree Image from public domain licensePortret van Victor Hugo (1890 - 1900) by anonymous, Dorfer and G Bataille https://www.rawpixel.com/image/13757655/portret-van-victor-hugo-1890-1900-anonymous-dorfer-and-batailleFree Image from public domain licenseAttaque; Période Épileptoïde Stertor by Paul Marie Léon Regnard https://www.rawpixel.com/image/14315838/attaque-periode-epileptoide-stertor-paul-marie-leon-regnardFree Image from public domain licenseGeorgie Sinclair, Daughter of Sir John Sinclair of Stevenson by James G Tunny https://www.rawpixel.com/image/14308736/georgie-sinclair-daughter-sir-john-sinclair-stevenson-james-tunnyFree Image from public domain licenseA grimacing invalid seated before a bowl having received an emetic, another man clasps his head compassionately. Coloured… https://www.rawpixel.com/image/13963532/image-cartoon-face-personFree Image from public domain licenseStruiken op een aarden wal (1817 - 1884) by Jean Alexis Achard https://www.rawpixel.com/image/13777423/struiken-een-aarden-wal-1817-1884-jean-alexis-achardFree Image from public domain licensePhoto of William Henry Jackson on top of Mt. Washburn by W.H. Jackson. Original public domain image from Flickr https://www.rawpixel.com/image/4225780/photo-image-face-public-domain-personFree Image from public domain licenseSmallpox epidemic, Palestine. Photograph album, ca. 1922. https://www.rawpixel.com/image/14018948/smallpox-epidemic-palestine-photograph-album-ca-1922Free Image from public domain licenseFree glass ball, Christmas ornament image, public domain holiday CC0 photo. https://www.rawpixel.com/image/5923315/photo-image-background-xmas-public-domainFree Image from public domain licenseA girl and her grandfather sit at the top of a hill which looks back over St Paul's cathedral. Lithograph by J. Barnard. https://www.rawpixel.com/image/13963033/image-face-plant-personFree Image from public domain licenseThomas Exley. Stipple engraving by J. Thomson, 1819, after Branthwaite [Branwhite]. https://www.rawpixel.com/image/13980860/image-cartoon-face-personFree Image from public domain licenseTwo young children play in a boat on the water. Chromolithograph. https://www.rawpixel.com/image/13961430/two-young-children-play-boat-the-water-chromolithographFree Image from public domain licenseA man wearing a long coat and carrying hat and walking stick is pointing towards a group of less well-dressed men. Wood… https://www.rawpixel.com/image/14007241/image-cartoon-person-artFree Image from public domain licenseSaint Thomas. Engraving after M.A. Raimondi after Raphael. https://www.rawpixel.com/image/14016962/saint-thomas-engraving-after-ma-raimondi-after-raphaelFree Image from public domain licenseDominique François Arago. Engraving by C. Cook after A. Claudet, 1854. https://www.rawpixel.com/image/14005821/dominique-francois-arago-engraving-cook-after-claudet-1854Free Image from public domain licensePortrait of an unidentified woman by Henry Herschel Hay Cameron https://www.rawpixel.com/image/14284898/portrait-unidentified-woman-henry-herschel-hay-cameronFree Image from public domain licenseSaint Cosmas and Saint Damian before the judge (above) and Saint Cosmas (below). Oil painting by a Spanish painter, ca.… https://www.rawpixel.com/image/14015394/image-face-person-artFree Image from public domain licenseGeorge Cheyne. Mezzotint by J. Faber, junior, 1732, after J. van Diest. https://www.rawpixel.com/image/13999453/george-cheyne-mezzotint-faber-junior-1732-after-van-diestFree Image from public domain licenseMichael Faraday. Lithograph by W. Drummond, 1835, after E. U. Eddis. https://www.rawpixel.com/image/14009924/michael-faraday-lithograph-drummond-1835-after-eddisFree Image from public domain licenseA crosswalk on a highway road that extends towards the mountains, free public domain flower CC0 photo. https://www.rawpixel.com/image/5918368/photo-image-aesthetic-backgroundFree Image from public domain licenseEtienne Geoffroy Saint-Hilaire. Lithograph by J. Boilly, 1821. https://www.rawpixel.com/image/13983203/etienne-geoffroy-saint-hilaire-lithograph-boilly-1821Free Image from public domain licenseMaximilien-Marie-Isidore de Robespierre. Lithograph by H. Grévedon, 1824. https://www.rawpixel.com/image/14011915/maximilien-marie-isidore-robespierre-lithograph-grevedon-1824Free Image from public domain licenseSir Edward Albert Sharpey-Schafer. Photograph by Dr. Pope May, 189-. https://www.rawpixel.com/image/13973735/sir-edward-albert-sharpey-schafer-photograph-dr-pope-may-189Free Image from public domain licenseA young couple sitting on a grassy bank, he has a shooting rifle on his shoulder and she has a basket on her lap. Stipple… https://www.rawpixel.com/image/13977209/image-cartoon-person-artFree Image from public domain licenseA sick patient surrounded by family and visited by a priest. Stipple engraving by Middlemist after T. Stothard. https://www.rawpixel.com/image/14009220/image-cartoon-face-personFree Image from public domain licenseMr. Willem Bilderdijk na zijn dood (1831) by Gerrit Jan Michaëlis https://www.rawpixel.com/image/13735618/mr-willem-bilderdijk-zijn-dood-1831-gerrit-jan-michaelisFree Image from public domain licenseSir Charles Scott Sherrington. Process print by Walter Thomas. https://www.rawpixel.com/image/13983663/sir-charles-scott-sherrington-process-print-walter-thomasFree Image from public domain licenseClaude François Lallemand. Lithograph by A. Maurin, 1836, after Gudin. https://www.rawpixel.com/image/14018512/claude-francois-lallemand-lithograph-maurin-1836-after-gudinFree Image from public domain license