Population (3) puits (2) temps (durée) (2) population rurale (2) province (2) Asie (2) information (2) ménage (2) agriculture (2) production agricole (2) Asie (2) République populaire de Chine (2) Mortality (2) Agriculture (2) Observations (2) Genealogy (2) Observations (2) Time (2) Rural population (2) Population (2) Nineteenth century (2) Immigrants (2) Households (2) Generations (2) Families (2) Eighteenth century (2) Communities (2) Asia (2) Agriculture (2) province (2)