Chili (4) War (4) Social sciences (4) Ciencias sociales (4) Guerra (4) Pérou (3) Population (3) Emigration and immigration (3) Espacio (3) Emigración e inmigración (3) Población (3) guerre (3) migration (3) Bolivie (2) Labor (2) Republics (2) Politicians (2) Newspapers (2) Census (2) República (2) Información (2) Periódicos (2) Censos (2) Políticos (2) Trabajo (2) frontière (2) Personal archives (1) Social networks (1) Weights and measures (1) Uncertainty (1)