Dementia praecox Oder die Gruppe der Schizophrenien.

Bleuler introduced the concept of schizophrenia. He showed that Kraepelin’s “dementia praecox” (No. 4952) should include all the schizophrenic disorders. Translated into English by Joseph Zinkin as Dementia praecox or the group of schizophrenias. New York: International Universities Press, 1950.