Menselijk geraamte, met notities (1836 - 1912) by Isaac Weissenbruch https://www.rawpixel.com/image/13783122/menselijk-geraamte-met-notities-1836-1912-isaac-weissenbruchFree Image from public domain licenseSkelet (1589) by Philips Galle, Philips Galle and Philips Galle https://www.rawpixel.com/image/13766472/skelet-1589-philips-galle-philips-galle-and-philips-galleFree Image from public domain license