Labor (4) Public health (4) Salud pública (4) Trabajo (4) Stocks (3) Acciones (3) Vaccination (2) Creation (2) Informes (2) Creación (2) Vacunación (2) gouvernement (2) Weights and measures (1) Trials (1) Teleology (1) Statistics (1) Smallpox (1) Sex (1) Progress (1) Population (1) Politicians (1) Physics (1) Perspective (1) Motherhood (1) Leprosy (1) Interviews (1) Institutional economics (1) Information science (1) Health (1) Eugenics (1)