Uncertainty (2) Time (2) Speculation (2) Risk (2) Civilization, Modern (2) Authors (2) Reading (2) temps (durée) (1) risque (1) papier (1) art (1) coût (1) comparaison (1) Comparison (1) Art (1) Identification (1) Art (1) Work (1) Rebates (1) Reading (1) Public domain (1) Paper (1) Mechanical movements (1) Land tenure (1) Government property (1) Cost (1) Bonds (1) Back (1) Art (1) Identification (1)