Vol. 1. The dawn of civilization : earliest times to 700 B.C. --v. 2. The development of sedentary and nomadic civilizations : 700 B.C. to A.D. 250 --v. 3. The crossroads of civilizations : A.D. 250 to 750--v. 4. The age of achievement: A.D. 750 to the end of the fifteenth century --pt. 1. The historical, social and economic setting --pt. 2. The achievements. V. 5. Development in contrast: from the sixteenth to the mid-nineteenth century --m v. 6. Towards contempolrary civilization: from the mid-nineteenth century to the present time.