Stones of madness.
D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D008512:Medicine in the Arts; D001523:Mental Disorders / Q000266:history*; D009426:Netherlands; D011781:Quackery / Q000266:history*; D014207:Trephining / Q000266:history