Left hemisphere of brain of monkey, "The functions of the brain", Ferrier 1876 https://www.rawpixel.com/image/14017676/left-hemisphere-brain-monkey-the-functions-the-brain-ferrier-1876Free Image from public domain license
A head containing over thirty images symbolising the phrenological faculties, accompanied by a key. Coloured lithograph, c.… https://www.rawpixel.com/image/13987704/image-paper-cartoon-personFree Image from public domain license