Monkeys representing human beings in a tooth-drawer's surgery. Lithograph by L. Haghe after E. Bristow, 1828. https://www.rawpixel.com/image/13964765/image-person-art-skeletonFree Image from public domain licenseMonkeys representing human beings in a tooth-drawer's surgery. Lithograph by L. Haghe after E. Bristow, 1828. https://www.rawpixel.com/image/14009677/image-cartoon-face-personFree Image from public domain license