Twenthyninth Lecture Typescript account of a lecture given by Norman. The lecture commences with the discussion of several patients with different form of hallucinations, Norman then discusses a 'theoretic subject .. the question of causes of insanity'. Norman divides the causes into Moral and Physical ones, although he acknowledges the division is imperfect. He then outlines the main causes under each heading, relating them back to cases presented to the class at previous lectures. 22 May 1906