Florence Nightingale. Pencil drawing with ink and gouache. https://www.rawpixel.com/image/14012403/florence-nightingale-pencil-drawing-with-ink-and-gouacheFree Image from public domain licenseFlorence Nightingale. Photogravure after G. Scharf, 1857. https://www.rawpixel.com/image/13977919/florence-nightingale-photogravure-after-scharf-1857Free Image from public domain licenseFlorence Nightingale. Photogravure after Hilary Bonham-Carter. https://www.rawpixel.com/image/14005133/florence-nightingale-photogravure-after-hilary-bonham-carterFree Image from public domain licenseFlorence Nightingale. Reproduction of wood engraving, 1872, after T. Cole after Goodman, 1858. https://www.rawpixel.com/image/13973292/image-face-person-artFree Image from public domain license