Maori warrior lying dead in the fern near Gate Pa, 30 April 1864. Watercolour by H.G. Robley, 1864. https://www.rawpixel.com/image/13963640/image-face-plant-personFree Image from public domain licenseÉmile Pereire, financier by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14271395/emile-pereire-financier-nadar-gaspard-felix-tournachonFree Image from public domain licenseA man holding a tobacco pipe and blowing a smoke ring. Mezzotint by A. Blooteling (Bloteling) after P. Staverenus. https://www.rawpixel.com/image/13987737/image-face-person-artFree Image from public domain licenseQueen Caroline, wife of King George IV, head and shoulders in profile. Stipple print by T. Woolnoth after T. Wageman, 1820. https://www.rawpixel.com/image/13999597/image-face-person-artFree Image from public domain licenseTwo sisters in Georgia lament as their mother sells them to a bearded man wearing a turban, who is counting out money.… https://www.rawpixel.com/image/13989305/image-cartoon-face-personFree Image from public domain licenseVan Praet, Bourgmestre Breuxelles, 1864 by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14272046/van-praet-bourgmestre-breuxelles-1864-nadar-gaspard-felix-tournachonFree Image from public domain licenseBoer War: a soldier standing on deck after a long recovery from war wounds. Halftone, c. 1900. https://www.rawpixel.com/image/13999714/image-face-people-skyFree Image from public domain licensePortret van Eugénie de Montijo ten tijde van de Frans-Duitse Oorlog (1870 - 1871) by anonymous https://www.rawpixel.com/image/13759708/photo-image-paper-face-personFree Image from public domain licenseOp de uitkijk met scheepsverrekijkers (1889) by Paul Güssfeldt and Carl Saltzmann https://www.rawpixel.com/image/13753726/photo-image-paper-person-clothingFree Image from public domain licenseMan making wood furniture, Puerto Princesa, Palawan, Philippines, July 2017. https://www.rawpixel.com/image/6198496/photo-image-public-domain-wood-personFree Image from public domain licenseTwo figures of the human head in profile: (left) écorché, (right) skull. Ink and sepia wash painting by A.V.A., 1860. https://www.rawpixel.com/image/13952256/image-face-person-artFree Image from public domain licenseTwee kinderen met een hond (1648 - 1671) by Nicolaas Verkolje, Jan de Bisschop and François Du Quesnoy https://www.rawpixel.com/image/13792014/image-dog-paper-cartoonFree Image from public domain licensePortret van Tommaso Gherardini (1789) by Carlo Lasinio and Tommaso Gherardini https://www.rawpixel.com/image/13778107/portret-van-tommaso-gherardini-1789-carlo-lasinio-and-tommaso-gherardiniFree Image from public domain licenseThomas Dowland, botanist and student in astrology. Oil painting by J. Bowring. https://www.rawpixel.com/image/14006561/thomas-dowland-botanist-and-student-astrology-oil-painting-bowringFree Image from public domain licenseKarin Mikelsdatter by Prince Roland Napoleon Bonaparte and G Roche https://www.rawpixel.com/image/14310528/karin-mikelsdatter-prince-roland-napoleon-bonaparte-and-rocheFree Image from public domain licenseDeath mask of Eustache, a slave from the Dominican republic who came to be awarded a 'prize for virtue' in 1830's Paris.… https://www.rawpixel.com/image/14017274/image-face-person-artFree Image from public domain licenseA busy gin palace bar with customers buying drinks. Coloured etching by G. Cruikshank, c. 1842. https://www.rawpixel.com/image/13959114/image-cartoon-person-artFree Image from public domain licenseLeonardo da Vinci, la Vanité et la Modestie (galerie Sciarra) d'après le dessin de Rocchi by James Anderson https://www.rawpixel.com/image/14261609/image-face-flowers-handFree Image from public domain licenseFlorence Nightingale. Photogravure by E. Walker, 1887, after Sir W. Richmond. https://www.rawpixel.com/image/14010104/florence-nightingale-photogravure-walker-1887-after-sir-richmondFree Image from public domain licenseRhinoceros Snake (2010) by Smithsonian Institution. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060031/free-photo-image-colorful-snake-greenFree Image from public domain licenseHalf-figure of a young man from profile by Ladislav Mednyánszky https://www.rawpixel.com/image/12677785/half-figure-young-man-from-profile-ladislav-mednyanszkyFree Image from public domain licenseStudy of the head of the village laborer by Ladislav Mednyánszky https://www.rawpixel.com/image/12677616/study-the-head-the-village-laborer-ladislav-mednyanszkyFree Image from public domain license