Humphrey Marshall by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14316687/humphrey-marshall-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseSir Frederick Gowland Hopkins. Photograph by J. Palmer Clarke. https://www.rawpixel.com/image/13991081/sir-frederick-gowland-hopkins-photograph-palmer-clarkeFree Image from public domain licenseJames M. Cavanaugh by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14318360/james-cavanaugh-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseCaptain I.J. [sic] Murray, of Murray's Jat Horse by Felice Beato https://www.rawpixel.com/image/14314053/captain-ij-sic-murray-murrays-jat-horse-felice-beatoFree Image from public domain licenseRené Descartes. Line engraving by E. Desrochers after F. Hals, 1649. https://www.rawpixel.com/image/14018456/rene-descartes-line-engraving-desrochers-after-hals-1649Free Image from public domain licensePortrait of a Girl Reading a Book (c. 1630 - 1635) by Gerard ter Borch I https://www.rawpixel.com/image/13788653/portrait-girl-reading-book-c-1630-1635-gerard-ter-borchFree Image from public domain licenseMoritz Wilhelm Mueller. Lithograph by G. Schlick after himself. https://www.rawpixel.com/image/13973476/moritz-wilhelm-mueller-lithograph-schlick-after-himselfFree Image from public domain licenseSaint Mary (the Blessed Virgin) and Saint Joseph with the Christ Child. Lithograph by F. Piloty after Sir A. van Dyck. https://www.rawpixel.com/image/14017267/image-face-christ-personFree Image from public domain licenseCourt House. Chambersburg, Franklin Co., PA. by Charles Eugene Meyer and Robert Newell https://www.rawpixel.com/image/14274153/image-plant-person-treeFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child and Saint John the Baptist. Engraving by L. Errani after G.… https://www.rawpixel.com/image/13987825/image-face-jesus-christ-personFree Image from public domain licenseGerard Carter. March 1875. Aged 20 months]/[Little child standing on a chair, holding a carved horse on a table by Hennah… https://www.rawpixel.com/image/14305133/photo-image-cat-horse-faceFree Image from public domain licenseDrie mensen bij een opstelling met een kijkpunt op een blokje (c. 1975 - c. 1976) by Rijksmuseum Afdeling Beeld https://www.rawpixel.com/image/13753983/photo-image-face-people-clothingFree Image from public domain licensePresident Barack Obama poses with Usain Bolt, the fastest runner in the world, backstage following a "Young Leaders of the… https://www.rawpixel.com/image/4050871/image-face-public-domain-personFree Image from public domain licensePortret van Jacob Campo Weyerman in medaillon (1706 - 1750) by Cornelis Troost https://www.rawpixel.com/image/13789036/portret-van-jacob-campo-weyerman-medaillon-1706-1750-cornelis-troostFree Image from public domain licenseAquilla Smith. Etching by J. Kirkwood after F. W. Burton, 1843. https://www.rawpixel.com/image/13989520/aquilla-smith-etching-kirkwood-after-burton-1843Free Image from public domain licenseIsaac Dalby. Stipple engraving by J. Thomson, 1827, after W. Derby after J. J. Halls, 1817. https://www.rawpixel.com/image/14019118/image-cartoon-face-personFree Image from public domain licenseGeorge Edwards. Line engraving by J. Miller, 1763, after I. Gosset. https://www.rawpixel.com/image/13983939/george-edwards-line-engraving-miller-1763-after-gossetFree Image from public domain licenseSiam [Thailand]. Photograph, 1981, from a negative by John Thomson, 1866. https://www.rawpixel.com/image/13978405/siam-thailand-photograph-1981-from-negative-john-thomson-1866Free Image from public domain licenseBack of head showing skin disease. Coloured stipple engraving by S. Tresca after Moreau-Valvile, c. 1806. https://www.rawpixel.com/image/13959961/image-face-person-artFree Image from public domain licenseUnidentified man with goatee, moustache and muttonchops, seated, in profile by Henry Maull and Co https://www.rawpixel.com/image/14306857/photo-image-face-person-clothingFree Image from public domain licenseAlexander Small. Mezzotint by J. Faber, junior, after B. Dandridge. https://www.rawpixel.com/image/14003680/alexander-small-mezzotint-faber-junior-after-dandridgeFree Image from public domain licenseSir Henry Creswicke Rawlinson. Photograph by Lock & Whitfield. https://www.rawpixel.com/image/13979137/sir-henry-creswicke-rawlinson-photograph-lock-whitfieldFree Image from public domain licenseWilliam Saunders. Stipple engraving by H. Meyer, 1817, after R. W. Satchwell. https://www.rawpixel.com/image/13997318/william-saunders-stipple-engraving-meyer-1817-after-satchwellFree Image from public domain licenseJean Chappé d'Auteroche. Line engraving by J. Corner, 1791. https://www.rawpixel.com/image/14013801/jean-chappe-dauteroche-line-engraving-corner-1791Free Image from public domain licenseFree camera close up image, public domain digital device CC0 photo. https://www.rawpixel.com/image/5923465/photo-image-background-public-domain-blackFree Image from public domain licenseSir Humphry Davy. Stipple engraving by J. Thomson, 1822, after H. Howard. https://www.rawpixel.com/image/13996849/sir-humphry-davy-stipple-engraving-thomson-1822-after-howardFree Image from public domain licenseThe mystic marriage of Catherine of Alexandria and the infant Christ. Engraving by J. Vendramini after Cheri after C.… https://www.rawpixel.com/image/14001777/image-angel-face-christFree Image from public domain licenseVier putti met twee duiven in een mandje van rozen op een kussen (c. 1788 - c. 1805) by Jean Baptiste Vérité, Pierre… https://www.rawpixel.com/image/13770388/image-paper-rose-faceFree Image from public domain licenseSamuel Latham Mitchill; Sutton Church, Bedfordshire. Line engraving by J. Basire, 1810, after M. Rugeley, 1803. https://www.rawpixel.com/image/14005069/image-cartoon-face-personFree Image from public domain licenseThomas Hookham Silvester. Oil painting attributed to Adolphus H. A. Wing, 1850. https://www.rawpixel.com/image/13969656/thomas-hookham-silvester-oil-painting-attributed-adolphus-wing-1850Free Image from public domain licensePortrait of Jan Harmensz de Marre (1696-1763). Seaman, Poet and Director of the Amsterdam Theater (1732 - 1771) by Jan… https://www.rawpixel.com/image/13796325/photo-image-face-frame-personFree Image from public domain licenseJohn Coakley Lettsom. Stipple engraving by W. Holl after S. Medley. https://www.rawpixel.com/image/14001933/john-coakley-lettsom-stipple-engraving-holl-after-medleyFree Image from public domain licenseWilliam L. Dewart by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14317696/william-dewart-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseAn American man, standing holding a hat: studio portrait. Photograph, ca. 1880. https://www.rawpixel.com/image/13993313/american-man-standing-holding-hat-studio-portrait-photograph-ca-1880Free Image from public domain licenseAbraham Cowley. Line engraving by J. Romney, 1809, after Sir P. Lely. https://www.rawpixel.com/image/14016744/abraham-cowley-line-engraving-romney-1809-after-sir-lelyFree Image from public domain licenseKing Charles I. Engraving by J. Meyssens, 16--, after A. van Dyck. https://www.rawpixel.com/image/13987158/king-charles-engraving-meyssens-16-after-van-dyckFree Image from public domain license