Adam Walker, a natural philosopher, performing scientific experiments. Coloured etching after J. Gillray, 1796. https://www.rawpixel.com/image/13951440/image-cartoon-face-personFree Image from public domain licenseSharecropper's Family, Hale County, Alabama / Burroughs Family, Hale County, Alabama by Walker Evans https://www.rawpixel.com/image/14263689/photo-image-face-person-bookFree Image from public domain licenseAdam Walker, a natural philosopher, performing scientific experiments. Coloured etching after J. Gillray, 1796. https://www.rawpixel.com/image/13969726/image-cartoon-face-frameFree Image from public domain licensePiano from Pilgrim Baptist Church used by Thomas Dorsey, National Museum of African American History and Culture https://www.rawpixel.com/image/8849751/photo-image-frame-art-vintageFree Image from public domain licenseFloyd and Lucille Burroughs, Hale County, Alabama by Walker Evans https://www.rawpixel.com/image/14248509/floyd-and-lucille-burroughs-hale-county-alabama-walker-evansFree Image from public domain licenseChurch Organ with Pews / The Church Organ, Alabama / Church Interior, Alabama by Walker Evans https://www.rawpixel.com/image/14249064/photo-image-wood-church-technologyFree Image from public domain licenseAn attack on smallpox vaccination and on the Royal College of Physicians' advocacy of it. Coloured etching by G. Cruikshank… https://www.rawpixel.com/image/13955974/image-cartoon-person-artFree Image from public domain licenseBud Fields with His Wife Ivy, and His Daughter Ellen, Hale County, Alabama by Walker Evans https://www.rawpixel.com/image/14249082/photo-image-face-person-woodFree Image from public domain licenseYour pal in the trenches is waiting to shake hands with you James Walker (Dublin) Ltd. https://www.rawpixel.com/image/8682992/image-art-vintage-handsFree Image from public domain licenseThe Grave of Hackless Jenkins, Probably South Carolina by Doris Ulmann https://www.rawpixel.com/image/14248148/the-grave-hackless-jenkins-probably-south-carolina-doris-ulmannFree Image from public domain licenseFrank Tengle, A Cotton Sharecropper, Hale County, Alabama / Fred Ricketts, Cotton Tenant Farmer by Walker Evans https://www.rawpixel.com/image/14249307/photo-image-face-person-bookFree Image from public domain licenseA man sitting inside a large wooden frame holding on to straps as the wheels turn. Engraving by J. Walker. https://www.rawpixel.com/image/14011863/image-cartoon-frame-personFree Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13975701/image-person-art-clothingFree Image from public domain licenseRobert James. Line engraving by W. Walker, 1778, after P. Scheemakers. https://www.rawpixel.com/image/14020559/robert-james-line-engraving-walker-1778-after-scheemakersFree Image from public domain licenseThe Medical Society of London: John Coakley Lettsom presenting to the society the deeds of 3 Bolt Court, City of London.… https://www.rawpixel.com/image/13986614/image-face-people-artFree Image from public domain licenseA woman doctor examining a girl's finger. Coloured mezzotint by J. Walker, ca. 1783, after J. Northcote. https://www.rawpixel.com/image/13994796/image-cat-cartoon-faceFree Image from public domain license The James E. Walker Library on the campus of Middle Tennessee State University in Murfreesboro, 35… https://www.rawpixel.com/image/8033112/photo-image-public-domain-united-states-libraryFree Image from public domain licenseRobert James. Line engraving by W. Walker, 1778, after P. Scheemakers. https://www.rawpixel.com/image/14012535/robert-james-line-engraving-walker-1778-after-scheemakersFree Image from public domain licenseDistinguished British men of science 1807-1808 assembled in the library of the Royal Institution, London. Mezzotint by W.… https://www.rawpixel.com/image/13981199/image-person-art-clothingFree Image from public domain licenseIsobel Walker, aged 112. Line engraving by H. Gavin after J. Wales. https://www.rawpixel.com/image/13983591/isobel-walker-aged-112-line-engraving-gavin-after-walesFree Image from public domain licenseA gathering at Joshua Reynolds's house: Oliver Goldsmith and Edmund Burke among the company. Stipple engraving by W. Walker… https://www.rawpixel.com/image/13987874/image-person-art-clothingFree 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 licenseThe distinguished men of science 1807-8: a key to the identities of the sitters. Photograph of engraving by W. Walker, 1862… https://www.rawpixel.com/image/14011458/image-cartoon-face-personFree Image from public domain license