Nicolas François [] Charles [] Appert. Line engraving by A. Blanchard, 1843. https://www.rawpixel.com/image/14016857/nicolas-francois-charles-appert-line-engraving-blanchard-1843Free Image from public domain licenseMonarch Caterpillar on Common MilkweedPhoto by Joanna Gilkeson/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4029019/photo-image-flower-plant-beeFree Image from public domain licenseAbnormal heads and skulls, fractured and bandaged clavicle and a broken leg bandaged in a splint. Engraving by W. Lowry… https://www.rawpixel.com/image/13956048/image-cartoon-face-personFree Image from public domain licenseAnne-Marie Hérig, a girl with a skin disease; the conjoined twins Judith and Hélène; below, an infant with one central eye.… https://www.rawpixel.com/image/13957927/image-cartoon-face-personFree Image from public domain licenseA coyote walking on green grass field. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292987/free-photo-image-wolf-animal-animals-images-picturesFree Image from public domain licenseYoung man paints the back of a wooden chair by Arnold Eagle https://www.rawpixel.com/image/14266553/young-man-paints-the-back-wooden-chair-arnold-eagleFree Image from public domain licenseWilliam Hyde Wollaston. Lithograph by R. J. Lane, 1827, after Sir F. Chantrey. https://www.rawpixel.com/image/14021811/william-hyde-wollaston-lithograph-lane-1827-after-sir-chantreyFree Image from public domain licenseA grandmother reads to her granddaughter, but their attention is caught by two kittens playing with a piece of thread.… https://www.rawpixel.com/image/13999461/image-cat-face-personFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child. Engraving by P. Pontius after Sir A. van Dyck. https://www.rawpixel.com/image/14005086/image-face-christ-personFree Image from public domain licenseJames Johnstone. Steel engraving by G.T. Doo after W.T. Roden, 1868. https://www.rawpixel.com/image/13996809/james-johnstone-steel-engraving-gt-doo-after-wt-roden-1868Free Image from public domain licenseFranz Joseph Gall. Stipple engraving by F.W. Bollinger after C.H. Rahl. https://www.rawpixel.com/image/14008488/franz-joseph-gall-stipple-engraving-fw-bollinger-after-ch-rahlFree Image from public domain licenseMinerva visiting Envy in order to punish Aglauros. Etching by J.W. Baur, 16--. https://www.rawpixel.com/image/13994514/minerva-visiting-envy-order-punish-aglauros-etching-jw-baur-16Free Image from public domain licenseSaint Catherine. Line engraving by J.M. Saint-Eve after Guido Reni. https://www.rawpixel.com/image/14005131/saint-catherine-line-engraving-jm-saint-eve-after-guido-reniFree Image from public domain licenseMan Playing Tennis in Circular Format (1890s) photography in high resolution. Original from the Saint Louis Art Museum. https://www.rawpixel.com/image/7614836/image-vintage-art-public-domainFree Image from public domain licenseBaksa, Formosa [Taiwan]. Photograph, 1981, from a negative by John Thomson, 1871. https://www.rawpixel.com/image/13986979/photo-image-face-person-manFree Image from public domain licenseA group of five heads; three men smoking tobacco and two women taking snuff. Coloured lithograph by F-S. Delpech, c. 1825… https://www.rawpixel.com/image/13961954/image-cartoon-face-personFree Image from public domain licensePortret van Pietro Sorri (1789) by Carlo Lasinio and Pietro Sorri https://www.rawpixel.com/image/13777801/portret-van-pietro-sorri-1789-carlo-lasinio-and-pietro-sorriFree Image from public domain licenseSafari jeep tour in Kumrose Community Forest, Kumrose, Nepal, November 2017. https://www.rawpixel.com/image/6198470/photo-image-public-domain-green-personFree Image from public domain licenseChristian Edouard Fraser (1812-79), Second Lieutenant of the 5th Dragoon Regiment (1834) by Charles Howard Hodges https://www.rawpixel.com/image/13742385/image-face-person-artFree Image from public domain licenseŒuvres. De Condillac / Revues, corrigées par l'auteur, imprimées sur ses manuscrits autographes, et augmentées de la Langue… https://www.rawpixel.com/image/13980243/image-cartoon-face-personFree Image from public domain licensePink fireworks background design https://www.rawpixel.com/image/11929575/pink-fireworks-background-designView licensePortrait of a Seated Elderly Woman in Matron Cap Wearing Glasses by Jacob Byerly https://www.rawpixel.com/image/14254089/photo-image-face-frame-personFree Image from public domain licenseCarl Gottlob Franz. Lithograph by G. Schlick after himself. https://www.rawpixel.com/image/13986673/carl-gottlob-franz-lithograph-schlick-after-himselfFree Image from public domain licensePortrait of Ernest Benoist by Achille Devéria, Théodule Devéria and Octave Benoist https://www.rawpixel.com/image/14280348/photo-image-face-person-clothingFree Image from public domain licenseVintage cameras lined up on white background, 16 October 2016. https://www.rawpixel.com/image/6113908/photo-image-white-background-public-domain-vintageFree Image from public domain licenseRobert Boyle. Mezzotint by J. Smith, 1689 after J. Kerseboom, 1689. https://www.rawpixel.com/image/14020344/robert-boyle-mezzotint-smith-1689-after-kerseboom-1689Free Image from public domain licenseSchutter der Vrijwillige Schutterij van Utrecht (1835 - 1850) by Albertus Verhoesen and Johannes Paulus Houtman https://www.rawpixel.com/image/13748960/image-paper-cartoon-faceFree Image from public domain licenseCanton, Kwangtung province, China. Photograph, 1981, from a negative by John Thomson, 1869. https://www.rawpixel.com/image/13957503/photo-image-face-people-artFree Image from public domain licensePortrait of Isaac Jan Alexander Gogel (c. 1811 - c. 1813) by Mattheus Ignatius van Bree https://www.rawpixel.com/image/13742363/image-face-person-artFree Image from public domain licenseCharles Stanhope, 3rd Earl Stanhope. Stipple engraving by H. Richter, 1798, after himself. https://www.rawpixel.com/image/14005780/image-face-person-artFree Image from public domain licensePink fireworks background design https://www.rawpixel.com/image/11929579/pink-fireworks-background-designView licenseSandwichman aangevallen door twee honden (c. 1850 - c. 1900) by anonymous and Birn Brothers https://www.rawpixel.com/image/13773105/image-dog-paper-cartoonFree Image from public domain licenseMécanisme de la Physionomie Humaine by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14312300/image-face-people-clothingFree Image from public domain licenseSir Isaac Pennington in his ceremonial congregational robes as doctor of physic at Cambridge. Watercolour. https://www.rawpixel.com/image/13969417/image-cartoon-face-personFree Image from public domain licenseZittende man met een knapzak en een stok (1784) by Jacob van Strij https://www.rawpixel.com/image/13787724/zittende-man-met-een-knapzak-een-stok-1784-jacob-van-strijFree Image from public domain licenseGiovanni Inghirami. Lithograph by C. E. Liverati, 1841, after himself. https://www.rawpixel.com/image/14008736/giovanni-inghirami-lithograph-liverati-1841-after-himselfFree Image from public domain licensePortret van een oude man met geprononceerde kin (1644 - 1652) by Wenceslaus Hollar and Leonardo da Vinci https://www.rawpixel.com/image/13769653/image-paper-cartoon-faceFree Image from public domain licenseRichard L. Hoxie, Iowa City, Iowa by George Kendall Warren https://www.rawpixel.com/image/14317187/richard-hoxie-iowa-city-iowa-george-kendall-warrenFree Image from public domain licenseA frightened and an angry face, left and right respectively. Engraving, c. 1760, after C. Le Brun. https://www.rawpixel.com/image/13994448/image-cartoon-face-personFree Image from public domain licenseSarawak: members of a Kayan tribe from the Upper Rejang River region. Photograph. https://www.rawpixel.com/image/13961441/photo-image-face-plant-personFree Image from public domain licenseThe physiognomy of mental diseases / [Sir Alexander Morison]. https://www.rawpixel.com/image/14001863/the-physiognomy-mental-diseases-sir-alexander-morisonFree Image from public domain licensePortrait of Willem Pottey, Lawyer and Accountant-General of Flushing (1686 - 1693) by Nicolaes Maes https://www.rawpixel.com/image/13744534/image-face-person-artFree Image from public domain licensePortret van Joseph Vivien (1789) by Carlo Lasinio and Joseph Vivien https://www.rawpixel.com/image/13777824/portret-van-joseph-vivien-1789-carlo-lasinio-and-joseph-vivienFree Image from public domain licenseChas. Biddle, Otoe (Omahas) by Adolph F Muhr and Frank A Rinehart https://www.rawpixel.com/image/14246204/chas-biddle-otoe-omahas-adolph-muhr-and-frank-rinehartFree Image from public domain licenseCharles Robert Darwin, aged 40. Lithograph by T. H. Maguire, 1849. https://www.rawpixel.com/image/14009681/charles-robert-darwin-aged-40-lithograph-maguire-1849Free Image from public domain license