William Walker, aged 123. Mezzotint by J. Slack after G. Bockman. https://www.rawpixel.com/image/14018098/william-walker-aged-123-mezzotint-slack-after-bockmanFree Image from public domain licenseAn ear-cleaner, attending to a man's ear. Gouache painting by an Indian artist, ca. 1825. https://www.rawpixel.com/image/13958572/image-cartoon-face-personFree Image from public domain licenseAlberto Fortis. Line engraving by G. Fusinati after Sofia Sellier. https://www.rawpixel.com/image/13985977/alberto-fortis-line-engraving-fusinati-after-sofia-sellierFree Image from public domain licenseThomas Sydenham. Line engraving by J. Houbraken, 1746, after Mary Beale, 1672. https://www.rawpixel.com/image/13991561/thomas-sydenham-line-engraving-houbraken-1746-after-mary-beale-1672Free Image from public domain licenseSaint Mary (the Blessed Virgin). Etching after O. 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Höffert, 1893. https://www.rawpixel.com/image/13975410/rudolph-virchow-head-and-shoulders-photograph-hoffert-1893Free Image from public domain licenseThe housekeeper's oracle; or, art of domestic management. Containing a complete system of carving with accuracy and elegance… https://www.rawpixel.com/image/13989983/image-cartoon-face-personFree Image from public domain licenseM0000461: Franz Joseph Gall (1758 - 1828), German neuroanatomist https://www.rawpixel.com/image/14020383/m0000461-franz-joseph-gall-1758-1828-german-neuroanatomistFree Image from public domain licenseJean Pitard. Stipple engraving by A. Tardieu after A. Humblot. https://www.rawpixel.com/image/13995079/jean-pitard-stipple-engraving-tardieu-after-humblotFree Image from public domain licenseA young woman places a comforting arm around an old man's shoulders. Stipple engraving. https://www.rawpixel.com/image/13991395/image-face-frame-personFree Image from public domain licenseMatthew Baillie. Stipple engraving by J. Thomson after J. Hoppner. https://www.rawpixel.com/image/14003178/matthew-baillie-stipple-engraving-thomson-after-hoppnerFree Image from public domain licenseUnidentified Civil War solding wearing a cap, in quasi-Napoleanic stance by Charles DeForest Fredricks https://www.rawpixel.com/image/14306781/image-face-person-clothingFree Image from public domain licenseSeated man drinking from mug in open doorway by John Whistler https://www.rawpixel.com/image/14277773/seated-man-drinking-from-mug-open-doorway-john-whistlerFree Image from public domain licenseThree members of the Stevens family: R.F., C.W., and W.H.. Lithograph. https://www.rawpixel.com/image/13987942/three-members-the-stevens-family-rf-cw-and-wh-lithographFree Image from public domain licensePortrait d'Enfant (Portrait of a Child) by André Adolphe Eugène Disdéri https://www.rawpixel.com/image/14285566/portrait-denfant-portrait-child-andre-adolphe-eugene-disderiFree Image from public domain licenseAn alchemist hunched over his crucible; an assistant reads him a recipe, watched by an onlooker. Mezzotint by J. Wilson, c.… https://www.rawpixel.com/image/13987599/image-face-person-artFree Image from public domain licenseCheckered Skipper Butterfly on Asters flower. 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