Surgeons and physicians of Guy's Hospital, Southwark, London, with views of the building. Colour lithograph by M. & N.… https://www.rawpixel.com/image/13964934/image-cartoon-face-personFree Image from public domain licenseBrug in aanbouw in Frankrijk, met op de voorgrond een duiker (c. 1883 - c. 1886) by anonymous https://www.rawpixel.com/image/13758459/photo-image-person-sky-waterFree Image from public domain licenseThe vivisector asked to choose between head and heart. Photogravure, 1886, after an etching by M.J. Holzapfl after a… https://www.rawpixel.com/image/14008864/image-cat-heart-faceFree Image from public domain license