Jean Pierre Falret. Lithograph by F. Dufourmantelle after A. Gautier. https://www.rawpixel.com/image/13988635/jean-pierre-falret-lithograph-dufourmantelle-after-gautierFree Image from public domain licenseAn A-10 Thunderbolt II aircraft takes on fuel from a KC-135 Stratotanker aircraft over Afghanistan Sept. 25, 2009. (DoD… https://www.rawpixel.com/image/3318996/free-photo-image-combat-camera-ac-10-jcccproductsFree Image from public domain licenseNASA Dryden Flight Research Center's F-18B Systems Research Aircraft on an External Vision System project flight, October… https://www.rawpixel.com/image/440738/free-photo-image-army-ship-aerospaceFree Image from public domain licenseGloucester smallpox epidemic, 1896: Edwin Davis, a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/13979188/photo-image-face-plant-personFree Image from public domain licenseU.S. Air Force Senior Airman Jacob Noojin and Staff Sgt. Matthew Rowley gather information to direct close air support Oct.… https://www.rawpixel.com/image/8728291/photo-image-art-public-domain-paintingFree Image from public domain licenseFranz Josef Mauermann. Lithograph by F. Hanfstaengl after F. Lair. https://www.rawpixel.com/image/13999847/franz-josef-mauermann-lithograph-hanfstaengl-after-lairFree Image from public domain licenseGloucester smallpox epidemic, 1896: George Steel, a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/14004388/photo-image-face-person-clothingFree Image from public domain licenseA U.S. Marine with the 31st Marine Expeditionary Unit's Maritime Raid Force holds security during a walkthrough rehearsal… https://www.rawpixel.com/image/8741231/photo-image-public-domain-person-cameraFree Image from public domain licenseSir Frank Macfarlane Burnet. Photograph by Faingold, Denver. https://www.rawpixel.com/image/13996723/sir-frank-macfarlane-burnet-photograph-faingold-denverFree Image from public domain licenseFrançois-Vincent Raspail. Photograph by Mathieu-Deroche, 1862. https://www.rawpixel.com/image/13976456/francois-vincent-raspail-photograph-mathieu-deroche-1862Free Image from public domain licenseGloucester smallpox epidemic, 1896: a child of the Beard family, as a convalescent smallpox patient. Photograph by H.C.F.… https://www.rawpixel.com/image/13996612/photo-image-face-plant-personFree Image from public domain licenseJoseph-François Malgaigne. Photograph after a lithograph. https://www.rawpixel.com/image/13977472/joseph-francois-malgaigne-photograph-after-lithographFree Image from public domain licenseClaude François Lallemand. Lithograph by A. Maurin, 1836, after Gudin. https://www.rawpixel.com/image/13986459/claude-francois-lallemand-lithograph-maurin-1836-after-gudinFree Image from public domain licenseBlaise Pascal. Lithograph after G. Edelinck after F. Quesnel, junior. https://www.rawpixel.com/image/14008804/blaise-pascal-lithograph-after-edelinck-after-quesnel-juniorFree Image from public domain licenseGloucester smallpox epidemic, 1896: nine convalescent children. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/14008538/photo-image-face-people-clothingFree Image from public domain licenseRichard Dugard Grainger. Lithograph by J. H. Lynch after G. F. Teniswood. https://www.rawpixel.com/image/13977714/richard-dugard-grainger-lithograph-lynch-after-teniswoodFree Image from public domain licenseThe English physitian: or an astrologo-physical discourse of the vulgar herbs of this nation. Being a compleat method of… https://www.rawpixel.com/image/14020169/image-cartoon-face-plantsFree Image from public domain licenseGeorge James Guthrie. Wood engraving by F.S., 1856, after J. Mayall. https://www.rawpixel.com/image/13993037/george-james-guthrie-wood-engraving-fs-1856-after-mayallFree Image from public domain licenseJohn Marten. Line engraving by G. White, 1708, after F. Scheffer. https://www.rawpixel.com/image/14014730/john-marten-line-engraving-white-1708-after-schefferFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/14015920/photo-image-dog-frame-personFree Image from public domain licenseDominique François Arago. Lithograph by C. Fuhr, 1866, after H. Scheffer. https://www.rawpixel.com/image/13982233/dominique-francois-arago-lithograph-fuhr-1866-after-schefferFree Image from public domain licenseFrançois Chaussier. Line engraving by L.P. Baltard after J.F.L. Mérimé. https://www.rawpixel.com/image/13990726/francois-chaussier-line-engraving-lp-baltard-after-jfl-merimeFree Image from public domain licenseFrançois Xavier Swediaur [Schwediauer, Swediar]. Lithograph by Langlumé after L. Lorin. https://www.rawpixel.com/image/14009011/image-cartoon-face-personFree Image from public domain licenseGroepsportret van een schoolklas in het handwerklokaal, Amsterdam (1910 - 1930) by F van Zalm https://www.rawpixel.com/image/13760276/photo-image-paper-face-personFree Image from public domain licenseGloucester smallpox epidemic, 1896: Elsie Clutterbuck (right), a smallpox patient, with another patient (a boy) and a nurse.… https://www.rawpixel.com/image/13982766/photo-image-face-people-clothingFree Image from public domain licenseGloucester smallpox epidemic, 1896: Ethel Cromwell, aged about 14 years, as a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/13972095/photo-image-face-person-clothingFree Image from public domain licensePortret van Louise Sébastienne Danton met stiefzoon achter een opticaspiegel (c. 1794) by J F Cazenave, Louis Léopold… https://www.rawpixel.com/image/13767659/image-paper-face-personFree Image from public domain licenseJohann Justus von Berger. Line engraving by J. F. Clemens, 1781, after J. Juel. https://www.rawpixel.com/image/14009686/johann-justus-von-berger-line-engraving-clemens-1781-after-juelFree Image from public domain licensePierre Matthieu Joseph Bonaventure Orfila. Line engraving by F. Richter. https://www.rawpixel.com/image/13979403/pierre-matthieu-joseph-bonaventure-orfila-line-engraving-richterFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/13973231/image-frame-person-artFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/14015915/image-horse-frame-plantFree Image from public domain licenseFrançois Joseph Victor Broussais. Line engraving by H. Bonvoisin, 1826, after C. Duchesne. https://www.rawpixel.com/image/13989017/image-face-person-artFree Image from public domain licensePortret van Louise Sébastienne Gély met stiefzoon achter een opticaspiegel (c. 1794) by J F Cazenave, Louis Léopold Boilly… https://www.rawpixel.com/image/13770751/image-paper-face-personFree Image from public domain licenseL'art de connaître les hommes par la physionomie ... / par M. Moreau. https://www.rawpixel.com/image/13991914/lart-connaitre-les-hommes-par-physionomie-par-moreauFree Image from public domain licenseDominique François Arago. Lithograph by N. E. Maurin after himself. https://www.rawpixel.com/image/13983548/dominique-francois-arago-lithograph-maurin-after-himselfFree Image from public domain licenseFrançois Joseph Victor Broussais. Photograph after Leder. https://www.rawpixel.com/image/14007856/francois-joseph-victor-broussais-photograph-after-lederFree Image from public domain licenseSir Frank Macfarlane Burnet. Photograph by Faingold, Denver. https://www.rawpixel.com/image/13972771/sir-frank-macfarlane-burnet-photograph-faingold-denverFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/13990901/image-frame-person-artFree Image from public domain licenseBalthasar von Herden. Line engraving by J. F. Fleischberger. https://www.rawpixel.com/image/13989545/balthasar-von-herden-line-engraving-fleischbergerFree Image from public domain licenseMathieu François Geoffroy. Line engraving by F. Chéreau, 1718, after N. de Largillière. https://www.rawpixel.com/image/14005073/image-face-person-artFree Image from public domain licenseA U.S. Air Force KC-135 Stratotanker boom operator, assigned to the 340th Expeditionary Air Refueling Squadron, refuels a… https://www.rawpixel.com/image/8741490/photo-image-public-domain-personFree Image from public domain licenseSir Frederick Walker Mott. Photogravure after Elliott & Fry. https://www.rawpixel.com/image/13984604/sir-frederick-walker-mott-photogravure-after-elliott-fryFree Image from public domain licenseFrançois Xavier Swediaur [Schwediauer, Swediar]. Lithograph by Langlumé after L. Lorin. https://www.rawpixel.com/image/14010354/image-face-person-artFree Image from public domain licenseFrançois Joseph Victor Broussais. Lithograph by N. E. Maurin after himself. https://www.rawpixel.com/image/14020299/francois-joseph-victor-broussais-lithograph-maurin-after-himselfFree Image from public domain licenseGloucester smallpox epidemic, 1896: George Allen, a smallpox patient. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/14017896/photo-image-face-person-clothingFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/14016215/photo-image-frame-art-skyFree Image from public domain licenseSir John Frederick William Herschel. Mezzotint by W. Ward, 1835, after H. W. Pickersgill. https://www.rawpixel.com/image/13998274/image-face-person-artFree Image from public domain licenseRobert Lee. Wood engraving by Smyth, 1851, after J. Mayall. https://www.rawpixel.com/image/14015292/robert-lee-wood-engraving-smyth-1851-after-mayallFree Image from public domain licenseFrederick Orpen Bower. Photograph by T. & R. Annan & Sons, 1924. https://www.rawpixel.com/image/14006580/frederick-orpen-bower-photograph-annan-sons-1924Free Image from public domain licenseA U.S. Air Force F-15 Strike Eagle aircraft maneuvers into position to receive fuel from a KC-135 Stratotanker aircraft over… https://www.rawpixel.com/image/3318132/free-photo-image-ctcs-340-ears-afgFree Image from public domain licenseThe Bombay plague epidemic of 1896-1897: work of the Bombay Plague Committee. Photographs attributed to Capt. C. Moss, 1897. https://www.rawpixel.com/image/14009364/image-horse-frame-personFree Image from public domain licenseJean Giraudeau de Saint-Gervais. Lithograph by J. F. G. Llanta. https://www.rawpixel.com/image/13999284/jean-giraudeau-saint-gervais-lithograph-llantaFree Image from public domain licenseCarl Ferdinand von Graefe. Line engraving by G. Metzeroth after himself. https://www.rawpixel.com/image/13972607/carl-ferdinand-von-graefe-line-engraving-metzeroth-after-himselfFree Image from public domain licenseJohannes Christophorus Herpferus. Line engraving by J. F. Fleischberger after G. Strauch. https://www.rawpixel.com/image/14005041/image-cartoon-face-personFree Image from public domain licenseU.S. Marines with the Marine Corps Drum and Bugle Corps perform at a funeral service for retired Gen. Carl E. Mundy Jr., the… https://www.rawpixel.com/image/8739355/photo-image-public-domain-personFree 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 licenseOn the application of suitable mechamism to a case of amputation of both hands / by F. Gustav Ernst. https://www.rawpixel.com/image/14015857/image-cartoon-face-handFree Image from public domain licenseGloucester smallpox epidemic, 1896: a young man recovering from smallpox. Photograph by H.C.F., 1896. https://www.rawpixel.com/image/13980455/photo-image-face-person-clothingFree Image from public domain license