Nicolas Louis Vauquelin. Stipple engraving by A. Tardieu, 1824, after himself. https://www.rawpixel.com/image/13980511/nicolas-louis-vauquelin-stipple-engraving-tardieu-1824-after-himselfFree Image from public domain licensePortret van de Hongaarse dirigent Artúr Nikisch, (zittend) en de Russische componist/dirigent Aleksandr Borisovich Chessin.… https://www.rawpixel.com/image/13757965/photo-image-face-hand-personFree Image from public domain licenseHenry Clutterbuck. Stipple engraving by J. Cochran, 1838, after H. Room. https://www.rawpixel.com/image/14018674/henry-clutterbuck-stipple-engraving-cochran-1838-after-roomFree Image from public domain licensePortret van Pierre Loti in uniform (c. 1879 - 1885) by E Montastier, anonymous and Clément Deltour and Co https://www.rawpixel.com/image/13757717/image-paper-face-frameFree Image from public domain licenseRash of sores on the face, arms and torso of a boy suffering from prurigo adolescentium. Chromolithograph by E. Burgess… https://www.rawpixel.com/image/14002856/image-face-person-artFree Image from public domain licenseJohn Locke. Line engraving by P. van Gunst after J. Greenhill, 1672. https://www.rawpixel.com/image/14005239/john-locke-line-engraving-van-gunst-after-greenhill-1672Free Image from public domain licenseÉlectro-Physiologie Photographique, Figure 33 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14313614/image-face-person-artFree Image from public domain licenseBernhard Siegfried Albinus. Engraving by J. Houbraken after C. de Moor. https://www.rawpixel.com/image/14013444/bernhard-siegfried-albinus-engraving-houbraken-after-moorFree Image from public domain licensePortrait of François de la Noue (1531-91), Lord of Teligny, called ‘Bras de Fer’ and ‘le Bayard Huguenot’ (c. 1609 - c.… https://www.rawpixel.com/image/13742010/image-face-person-artFree Image from public domain licensePetrus Camper. Stipple engraving by B. Roger, 1803, after R. Vinkeles. https://www.rawpixel.com/image/13979652/petrus-camper-stipple-engraving-roger-1803-after-vinkelesFree Image from public domain licenseÉlectro-Physiologie Photographique, Figure 24 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14313423/image-face-person-artFree Image from public domain licenseOfficier der O.I. Infanterie (1835 - 1850) by Albertus Verhoesen and Johannes Paulus Houtman https://www.rawpixel.com/image/13748593/image-paper-cartoon-faceFree Image from public domain licenseChristian Friedrich, Baron von Stockmar. Stipple engraving by F. Holl, 1874, after F. Winterhalter. https://www.rawpixel.com/image/14015090/image-face-person-artFree Image from public domain licenseSir Charles William Siemens. Photograph by Lock & Whitfield. https://www.rawpixel.com/image/14011562/sir-charles-william-siemens-photograph-lock-whitfieldFree Image from public domain licenseJames Rutherford Morison with his staff: four men and eleven women. Photograph, ca. 1900. https://www.rawpixel.com/image/14020586/photo-image-face-person-clothingFree Image from public domain licenseMiss Anna Elizabeth Klumpke, head and shoulders, in middle age. Photograph. https://www.rawpixel.com/image/13987200/miss-anna-elizabeth-klumpke-head-and-shoulders-middle-age-photographFree Image from public domain licenseLeopold Schrötter, Ritter von Kristelli. Photograph by Dr Székely. https://www.rawpixel.com/image/14003874/leopold-schrotter-ritter-von-kristelli-photograph-szekelyFree Image from public domain licenseThe Peace-maker. by London Stereoscopic and Photographic Company https://www.rawpixel.com/image/14295804/the-peace-maker-london-stereoscopic-and-photographic-companyFree Image from public domain licenseVintage cameras lined up on white background, 16 October 2016. https://www.rawpixel.com/image/6113824/photo-image-white-background-public-domain-vintageFree Image from public domain licenseClinton Hobart Thienes. Photograph by Gladser Studio, 1954. https://www.rawpixel.com/image/14020498/clinton-hobart-thienes-photograph-gladser-studio-1954Free Image from public domain licensePortret van een onbekende vrouw genaamd Cornélie (1809) by anonymous, Lafitte and Alexis François Girard https://www.rawpixel.com/image/13762640/image-paper-face-personFree Image from public domain licenseSign for roadside curio shop, 05/1972. Photographer: Norton, Boyd. Original public domain image from Flickr https://www.rawpixel.com/image/8802552/photo-image-mountain-nature-landscapeFree Image from public domain licenseA group of deformed men force one of their number to vomit in a bowl. Coloured lithograph by F-S. Delpech after L. Boilly… https://www.rawpixel.com/image/13967121/image-cartoon-face-peopleFree Image from public domain licenseSaint John the Baptist. Mezzotint by V. Green, 1797 , after Raphael. https://www.rawpixel.com/image/13966818/saint-john-the-baptist-mezzotint-green-1797-after-raphaelFree Image from public domain licenseFree Christmas tree, red background image, public domain decoration CC0 photo. https://www.rawpixel.com/image/5927161/photo-image-background-xmas-public-domainFree Image from public domain licenseA man rises from behind a gravestone as a skeleton in a shroud attempts to keep it closed. Etching by J. Haynes after J.… https://www.rawpixel.com/image/14012507/image-cartoon-face-personFree Image from public domain licenseScreaming Hairy Armadillo (2015) by Clyde Nishimura, FONZ Photo Club. Original from Smithsonian's National Zoo. Digitally… https://www.rawpixel.com/image/3060044/free-photo-image-armadillo-amazing-animalFree Image from public domain licenseFree doberman dog lying on flower field image, public domain animal CC0 photo. https://www.rawpixel.com/image/5921600/photo-image-background-flower-public-domainFree Image from public domain licenseReports of medical cases, selected with a view of illustrating the symptoms and cure of diseases by a reference to morbid… https://www.rawpixel.com/image/13962928/image-face-person-artFree Image from public domain licenseSiam [Thailand]. Photograph, 1981, from a negative by John Thomson, 1865. https://www.rawpixel.com/image/13956323/siam-thailand-photograph-1981-from-negative-john-thomson-1865Free Image from public domain licenseCow on a Farm near Leakey, Being De-Horned. Near San Antonio, 12/1973. Original public domain image from Flickr https://www.rawpixel.com/image/8765944/photo-image-vintage-cowFree Image from public domain licenseThe Prime Minister (Kralahom) of Siam (Thailand). Photograph by John Thomson, 1865. https://www.rawpixel.com/image/13972532/photo-image-face-person-artFree Image from public domain licensePortrait of Louis Napoleon, King of Holland (1809) by Charles Howard Hodges https://www.rawpixel.com/image/13741867/portrait-louis-napoleon-king-holland-1809-charles-howard-hodgesFree Image from public domain licenseVrouw steunend op twee vuisten (1944) by Hendrik Nicolaas Werkman https://www.rawpixel.com/image/13734877/vrouw-steunend-twee-vuisten-1944-hendrik-nicolaas-werkmanFree Image from public domain licenseFrançois Vincent Raspail. Lithograph by C. Bornemann, 1873, after M. Deroche. https://www.rawpixel.com/image/13980525/francois-vincent-raspail-lithograph-bornemann-1873-after-derocheFree Image from public domain licenseFive men: Robert Burns, Richard Baxter, Francis Bacon, Judge Blackstone, and James Beattie. Engraving, 1811. https://www.rawpixel.com/image/13993658/image-cartoon-face-personFree Image from public domain licenseH.H. The Late Maharaja Jung Bahadur, G.C.B., G.C.S.I. by Bourne and Shepherd https://www.rawpixel.com/image/14259790/hh-the-late-maharaja-jung-bahadur-gcb-gcsi-bourne-and-shepherdFree Image from public domain licenseThe Virgin Mary presenting Saint Francis of Assisi with the infant Christ. Engraving by C. Visscher after P.P. Rubens, 16--. https://www.rawpixel.com/image/13987686/image-face-christ-personFree Image from public domain licenseR. Simson Esquire. D. Simson Esquire. Both of the Bengal Civil Service by Felice Beato https://www.rawpixel.com/image/14314071/image-face-hands-personFree Image from public domain licenseÉlectro-Physiologie Photographique, Figure 66 by Guillaume Benjamin Duchenne and Adrien Alban Tournachon https://www.rawpixel.com/image/14311622/image-face-person-artFree Image from public domain license