France (1) Economic conditions (1) Employment (1) History (1) Law and legislation (1) Communication (1) Surveys (1) Wealth (1) Statistics (1) Statisticians (1) State, The (1) Social sciences (1) Prudence (1) Perspective (1) Nineteenth century (1) Humanities (1) French (1) Economics (1) Authors (1) 19th century (1) History--19th century (1) Science (1) Quality (1) Occupations (1) Encuestas (1) Prudencia (1) CD-ROM (1) Ciencias (1) Escritores (1) Ciencias sociales (1)