History of schizophrenia
1948, 1955:International Classification of Diseases 6 & 7: "Psychoses": 300.0-.7: "Schizophrenic disorders (dementia præcox)" with the types: Simple, Hebephrenic, Catatonic, Paranoid, Acute schizophrenic reaction, Latent, Schizo-affective psychosis, Other and unspecified