A doctor administers an enema to a dog; other bandaged animals sit nearby. Coloured lithograph by C. Jacque, c. 1843. https://www.rawpixel.com/image/14010653/image-dog-paper-catsFree Image from public domain licenseInternational exhibition of artistic furniture and home decorations, food, health and pharmacy 1907 : Crystal Palace, London… https://www.rawpixel.com/image/13981808/image-paper-cartoon-faceFree Image from public domain license