Cities and towns (2) Knowledge and learning (2) Villes (2) Savoir et érudition (2) Die (2) Bruxelles (2) Economic conditions (1) Housing (1) Dwellings (1) Doors (1) Parts (1) Law and legislation (1) Assaying (1) Observations (1) Parts (1) Observations (1) Identification (1) Commerce (1) Urban geography (1) Male actors (1) Year (1) Wealth (1) State, The (1) Service industries (1) Retail trade (1) Real estate business (1) Production (Economic theory) (1) Poverty (1) Photography (1) Mechanical movements (1)