monde (1) société (humaine) (1) différenciation sociale (1) travail (1) Development (1) Commerce (1) Differentiation (Sociology) (1) Wealth (1) Stone (1) Societies (1) Social classes (1) Slaves (1) Persons (1) Merchants (1) Men (1) Human beings (1) Freemen (1) Division (1) Commerce (1) Caste (1) Business (1) Beginning (1) Artisans (1) Pierre (1) Pierre (1) Mélanges et hommages (1) roche (1)