Psychiatry goes to meet the reduced social deprivation psychosis. Social death and death of the subject overdetermine tragically. In France, pioneers tried to go to the mental suffering of the homeless. The name of Emmanuelli is needed here, then came in its wake, and working with him Quesemand, Furtos, Chobeaux, Douville finally Benhaïm too. This book written by one of the specialists of this field is a good introduction to the opinion. It is a little light regarding the history of the care arrangements and exploration of the psychic life of the homeless has been better established by the authors named above. To begin to learn it's perfect. Read decisive "Psychoanalytic Clinical exclusion" Douville, Banhaïm et al. Out of Emmanuelli and even allows to extend this good read.