The Italian manuscript Lusus naturae, Human and Natural Monstrosities, 18th Century, contained 54 watercolor illustrations of beasts and men with medical conditions or deformities, along with unworldly creatures. Source: John Rylands Library
medical
Henry Wellcome commissioned this watercolor from R. Cooper in 1912, depicting an unconscious man being attacked by demons with surgical instruments. The painting is meant to represent the effects of chloroform on the human body. Source: The Wellcome Collection