A Chinese street vendor selling plants and flowers. Coloured stipple engraving by J. Dadley after Pu-Qua. https://www.rawpixel.com/image/13978843/image-cartoon-face-flowerFree Image from public domain licenseMuscles of the head and neck: an écorché seen in profile. Lithograph by N.H Jacob, 1831/1854. https://www.rawpixel.com/image/13953479/image-cartoon-face-personFree Image from public domain licenseThe 2019 White House's Christmas ornament. Original public domain image from Flickr https://www.rawpixel.com/image/4049136/photo-image-tree-plant-ornamentFree Image from public domain licenseFree yorkshire terrier dog held by veterinarian image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925163/photo-image-background-public-domain-dogFree Image from public domain licenseA man looking through a magnifying glass at a picture of a monkey, whose flatulence extinguishes the flame of a candle;… https://www.rawpixel.com/image/13954013/image-cartoon-face-personFree Image from public domain licenseFrancis Bacon, Viscount St Albans. Engraving by J. Cochran after P. van Somer. https://www.rawpixel.com/image/14006999/francis-bacon-viscount-albans-engraving-cochran-after-van-somerFree Image from public domain licenseAttitudes Passionnelles Extase (1878) by Paul Marie Léon Regnard https://www.rawpixel.com/image/14315867/attitudes-passionnelles-extase-1878-paul-marie-leon-regnardFree Image from public domain licenseFree arctic fox sitting on snow image, public domain animal CC0 photo. https://www.rawpixel.com/image/5924504/photo-image-background-public-domain-natureFree Image from public domain licenseParagliding in New Zealand photo. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298949/free-photo-image-new-zealand-active-fun-activity-adventureFree Image from public domain licenseSidney Herbert, 1st Baron Herbert of Lea. Stipple engraving by W. Holl after G. Richmond. https://www.rawpixel.com/image/13989111/image-face-person-artFree Image from public domain licenseFriedrich Wöhler. Stipple engraving by C. Cook after C. L'Allemand. https://www.rawpixel.com/image/14018285/friedrich-wohler-stipple-engraving-cook-after-lallemandFree Image from public domain licenseAbraham Titsingh. Line engraving by J. Houbraken after J. M. Quinkhard, 1742. https://www.rawpixel.com/image/14019985/abraham-titsingh-line-engraving-houbraken-after-quinkhard-1742Free Image from public domain licenseSir Arthur Newsholme and Lady Newsholme. Photograph by H.J. Whitlock & Son, 1931. https://www.rawpixel.com/image/14010671/photo-image-face-people-shirtFree Image from public domain licenseFlight deck director signals helicopter for landing on board U.S.S. Repose (AH-16). July 1966. [medical evacuation] https://www.rawpixel.com/image/9648166/photo-image-person-medicine-airplaneFree Image from public domain licenseChrist on the Cross. Colour lithograph and collotype, 1887. https://www.rawpixel.com/image/13956415/christ-the-cross-colour-lithograph-and-collotype-1887Free Image from public domain licenseMan met een pijp (de Reuk) (1660 - 1743) by anonymous, Jan Verkolje I and Petrus Staverenus https://www.rawpixel.com/image/13762097/image-paper-face-personFree Image from public domain licenseJames Arthur Wilson. Mezzotint by W. Walker, 1852, after E. Walker. https://www.rawpixel.com/image/14003419/james-arthur-wilson-mezzotint-walker-1852-after-walkerFree Image from public domain licenseLouis Pasteur. Etching by L. Orr after A. G. A. Edelfelt, 1885. https://www.rawpixel.com/image/13999482/louis-pasteur-etching-orr-after-edelfelt-1885Free Image from public domain licenseMichael Servetus. Stipple engraving by Holl, 1820, after C. van Sichem, 1607. https://www.rawpixel.com/image/13987710/michael-servetus-stipple-engraving-holl-1820-after-van-sichem-1607Free Image from public domain licenseA gun-carrying huntsman is gazing intently into a valley while his dead prey is lying behind him. Line engraving by E.… https://www.rawpixel.com/image/13959677/image-dog-face-plantFree Image from public domain licenseMichel Schuppach. Line engraving by C. de Mechel after G. Locher, 1774. https://www.rawpixel.com/image/13975190/michel-schuppach-line-engraving-mechel-after-locher-1774Free Image from public domain licenseSir Isaac Lyon Goldsmid. Coloured etching by Richard Dighton, 1824. https://www.rawpixel.com/image/13968203/sir-isaac-lyon-goldsmid-coloured-etching-richard-dighton-1824Free Image from public domain licenseLucas von Schröck. Mezzotint by G. Kilian, 1725, after himself. https://www.rawpixel.com/image/14019661/lucas-von-schrock-mezzotint-kilian-1725-after-himselfFree Image from public domain licenseLachende jongen met een glas in de hand (1628 - 1664) by Jan Matham and Michael Sweerts https://www.rawpixel.com/image/13732482/image-paper-cartoon-faceFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child. Etching by N. Martinez after O. Veen [O. Vaenius]. https://www.rawpixel.com/image/13993977/image-face-christ-personFree Image from public domain licenseGalileo Galilei. Line engraving by F. Petroncini, 1847, after himself after J. Sustermans. https://www.rawpixel.com/image/14006666/image-face-person-artFree Image from public domain licenseA dwarf at the court of King Philip IV of Spain. Oil painting by M. Pineda Montón after Diego Velazquez de Silva. https://www.rawpixel.com/image/13968318/image-face-person-artFree Image from public domain licenseFrançois-Vincent Raspail. Photograph after a painting by Latil, 1835. https://www.rawpixel.com/image/13998931/francois-vincent-raspail-photograph-after-painting-latil-1835Free Image from public domain licenseMonsieur le comte de Persigny by André Adolphe Eugène Disdéri https://www.rawpixel.com/image/14313732/monsieur-comte-persigny-andre-adolphe-eugene-disderiFree Image from public domain licenseA woman, previously designated as Elizabeth Garrett Anderson or Isabel Thorne. Oil painting. https://www.rawpixel.com/image/13968455/image-face-person-artFree Image from public domain licenseA Bulgarian soldier secures the perimeter of a forward operating base during exercise Rapid Trident 2014 in Yavoriv… https://www.rawpixel.com/image/3318634/free-photo-image-brass-section-cc0-creative-commonsFree Image from public domain licenseAnne Charles Lorry. Line engraving by A. de St Aubin, 1784, after C. N. Cochin, le jeune, 1777. https://www.rawpixel.com/image/14014516/image-face-person-artFree Image from public domain licensePortrait of Alexander Morus, Professor at Amsterdam (1700 - 1732) by Arnoud van Halen and Lambert Visscher https://www.rawpixel.com/image/13796110/image-face-person-artFree Image from public domain licenseUnidentified woman wearing flower embellished dress, seated https://www.rawpixel.com/image/14285143/unidentified-woman-wearing-flower-embellished-dress-seatedFree Image from public domain licenseAn American (politician ): head and shoulders portrait. Photograph, ca. 1880. https://www.rawpixel.com/image/13954534/american-politician-head-and-shoulders-portrait-photograph-ca-1880Free Image from public domain licensePortrait of Jan Pietersz Coen, Governor-General of the Dutch East Indies (1750 - 1800) by anonymous https://www.rawpixel.com/image/13796394/image-face-person-artFree Image from public domain licenseCarolus Linnaeus. Line engraving by C.C. Bervic, 1779, after A. Roslin, 1775. https://www.rawpixel.com/image/14020785/carolus-linnaeus-line-engraving-cc-bervic-1779-after-roslin-1775Free Image from public domain licenseAn écorché face showing the movements of facial muscles during laughter. Stipple engraving by G.T. Stubbs after G. Stubbs… https://www.rawpixel.com/image/14009678/image-paper-cartoon-faceFree Image from public domain licenseThe head and a shoulders of a man with his top hair swept back, a long piece of hair hanging to the right, an ear-ring in… https://www.rawpixel.com/image/13981015/image-cartoon-face-personFree Image from public domain licenseDe humana physiognomonia libri IIII / [Giambattista della Porta]. https://www.rawpixel.com/image/14020752/humana-physiognomonia-libri-iiii-giambattista-della-portaFree Image from public domain license