Development (1) Family relationships (1) Assaying (1) Urbanization (1) Twentieth century (1) Spleen (1) Neurasthenia (1) Middle class (1) Mentally ill (1) Industrialization (1) Historians (1) Group homes (1) Mental fatigue (1) Extremities (Anatomy) (1) Evidence (1) Etiquette (1) Causation (1) Average (1) 20th century (1) Women (1) Analysis (1) Attitudes (1) History--20th century (1) Influence (1) Family (1) Neurastenia (1) Bazo (1) Urbanización (1) Extremidades (1) Etiqueta (1)