Sir William Bartlett Dalby. Photograph by G. Jerrard, 1881. https://www.rawpixel.com/image/13998761/sir-william-bartlett-dalby-photograph-jerrard-1881Free Image from public domain licenseSir Roderick Impey Murchison (1792 - 1871), British geologist by Camille Silvy https://www.rawpixel.com/image/14313243/sir-roderick-impey-murchison-1792-1871-british-geologist-camille-silvyFree Image from public domain licenseAbraham Gottlob Werner. Stipple engraving by A. Tardieu after Vogel. https://www.rawpixel.com/image/13986255/abraham-gottlob-werner-stipple-engraving-tardieu-after-vogelFree Image from public domain licenseThomas Thomson. Stipple engraving by W. Holl, 1855, after Mrs Robinson. https://www.rawpixel.com/image/14014861/thomas-thomson-stipple-engraving-holl-1855-after-mrs-robinsonFree Image from public domain licenseAntonio Cocchi. Line engraving by G. Vascellini after A. Tempesti. https://www.rawpixel.com/image/13991762/antonio-cocchi-line-engraving-vascellini-after-tempestiFree Image from public domain licenseSamuel Parkes. Stipple engraving by Parker, 1822, after A. Wivell. https://www.rawpixel.com/image/13982000/samuel-parkes-stipple-engraving-parker-1822-after-wivellFree Image from public domain licenseSir George Baker. Lithograph by G. P. Harding, 1837, after O. Humphry. https://www.rawpixel.com/image/14002007/sir-george-baker-lithograph-harding-1837-after-humphryFree Image from public domain licenseFree sheep lying on grass field image, public domain animal CC0 photo. https://www.rawpixel.com/image/5921645/photo-image-background-public-domain-greenFree Image from public domain licenseChristopher Nugent. Wash painting by S. Harding, 1806, after J. Barry, 1772. https://www.rawpixel.com/image/14001255/christopher-nugent-wash-painting-harding-1806-after-barry-1772Free Image from public domain licenseFree gold Christmas presents image, public domain holiday CC0 photo. https://www.rawpixel.com/image/5905170/photo-image-background-xmas-public-domainFree Image from public domain licenseFree crested pigeon on tree branch image, public domain animal CC0 photo. https://www.rawpixel.com/image/5925663/photo-image-public-domain-tree-greenFree Image from public domain licenseThomas Burnet. Line engraving by G. Vertue, 1726, after Sir G. Kneller. https://www.rawpixel.com/image/14012277/thomas-burnet-line-engraving-vertue-1726-after-sir-knellerFree Image from public domain licenseAn apothecary wearing a gown and skull cap, pouring fluid from a bottle. Chalk drawing by or after H. Stacy Marks. https://www.rawpixel.com/image/13955177/image-face-person-artFree Image from public domain licenseWilliam Buckland. Mezzotint by S. Cousins, 1833, after T. Phillips. https://www.rawpixel.com/image/14014259/william-buckland-mezzotint-cousins-1833-after-phillipsFree Image from public domain licenseA woman confessing to a priest. Engraving by H. Austen after J. Herbert. https://www.rawpixel.com/image/14010036/woman-confessing-priest-engraving-austen-after-herbertFree Image from public domain licenseBarangaroo Tower, Australia. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283212/free-photo-image-apartment-building-architecture-australiaFree Image from public domain licenseAn unidentified Qajar woman standing. Gouache painting by a Persian artist, Qajar period. https://www.rawpixel.com/image/13959853/image-face-person-artFree Image from public domain licenseA brown fluffy dog sitting on the beach. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3296602/free-photo-image-dog-golden-retriever-sunFree Image from public domain licenseFree Eiffel Tower in black and white image, public domain CC0 photo. https://www.rawpixel.com/image/5919617/photo-image-background-public-domain-freeFree Image from public domain licenseJohn Greig FRCS, Inspector of Hospitals, Bengal Army. Oil painting. https://www.rawpixel.com/image/13959386/john-greig-frcs-inspector-hospitals-bengal-army-oil-paintingFree Image from public domain licenseValeriano Luigi Brera. Stipple engraving by A. Tardieu, 1828. https://www.rawpixel.com/image/13987078/valeriano-luigi-brera-stipple-engraving-tardieu-1828Free Image from public domain licenseSir Henry Enfield Roscoe. Photogravure by Rich & Co., 1914, after D. Roscoe. https://www.rawpixel.com/image/13988965/sir-henry-enfield-roscoe-photogravure-rich-co-1914-after-roscoeFree Image from public domain licenseThe five senses represented by five children. Chromolithograph. https://www.rawpixel.com/image/13966432/the-five-senses-represented-five-children-chromolithographFree Image from public domain licenseThe artist's sister Elisabeth. Profile t.v.Braids Hairstyle by Kristian Zahrtmann https://www.rawpixel.com/image/8921466/photo-image-face-art-vintageFree Image from public domain licenseA flower boy at Hull Hospitals, Hull, Yorkshire. Wood engraving. https://www.rawpixel.com/image/14009316/flower-boy-hull-hospitals-hull-yorkshire-wood-engravingFree Image from public domain licenseA soldier with a pistol in his hand is looking over a wall at a small duck walking down the middle of the road. Process… https://www.rawpixel.com/image/13954634/image-paper-cartoon-faceFree Image from public domain licenseAdrianus Junius [Adriaen de Jonghe]. Line engraving by C. de Visscher. https://www.rawpixel.com/image/13994531/adrianus-junius-adriaen-jonghe-line-engraving-visscherFree Image from public domain licenseTwo skeletons flank a tree to which they attach a large cloth. Etching by Stefano della Bella, 16--. https://www.rawpixel.com/image/13978823/image-cartoon-person-treeFree Image from public domain licenseJoseph Black. Stipple engraving by C. Cook after H. Raeburn. https://www.rawpixel.com/image/14003409/joseph-black-stipple-engraving-cook-after-raeburnFree Image from public domain license