A profile of an old mentally disabled man, skulls of various races, skulls of a monkey and an orangutan, and a perfect… https://www.rawpixel.com/image/13953467/image-cartoon-face-personFree Image from public domain licenseBrain of an African Bushwoman: two figures, views from the left and cross-section. Lithograph by E.M. Williams after H.… https://www.rawpixel.com/image/13966406/image-paper-person-crossFree Image from public domain licenseBrain of an African Bushwoman: two figures, views from above and below. Lithograph by E.M. Williams after H. Watkins, 1864. https://www.rawpixel.com/image/13967617/image-paper-cartoon-plantFree Image from public domain licenseTwelve human profiles in outline, sectioned to show their disproportion. Drawing, c. 1794, after A. Dürer. https://www.rawpixel.com/image/13955174/image-background-paper-cartoonFree Image from public domain licenseA manual of anthropometry, or, A guide to the physical examination and measurement of the human body : containing a… https://www.rawpixel.com/image/14021682/image-paper-cartoon-faceFree Image from public domain licenseOutlines and designs of foreheads, showing their wrinkles and contours. Drawing, c. 1794. https://www.rawpixel.com/image/13986541/image-paper-cartoon-faceFree Image from public domain licenseTwenty-five contours of irregular foreheads. Drawing, c. 1789. https://www.rawpixel.com/image/14016121/twenty-five-contours-irregular-foreheads-drawing-1789Free Image from public domain licenseGyri of the brain: three figures, one of a European, one of the "Hottentot Venus", and one of an African Bushwoman.… https://www.rawpixel.com/image/13983775/image-tree-pattern-public-domainFree Image from public domain licenseBrain of an African Bushwoman: two figures, each of a section of the brain. Lithograph by E.M. Williams after H. Watkins… https://www.rawpixel.com/image/13980963/image-paper-cartoon-faceFree Image from public domain license