TY - BOOK AU - Unesco TI - History of mankind U1 - 901.9 UNI 1975 CY - London KW - Civilization N1 - V.1 (2 parts) Prehistory.-v.2 (3 parts)Ancient world.-v.3(2 parts)Great medieval civilization.-v.4(2 parts)Foundation of the modern world.- v.5(2 parts)Nineteenth century.-V.6 (2 parts)Twentieth century ER -