Social and economic history of the Chinese overseas in Africa 并列题名：Social and economic history of the Chinese overseas in Africa Social and economic history of the Roman empire the social and economic history of the hellenistic world The social and economic history of the Hellenistic world Social and economic history of Roman Empire Social and economic history of Roman empire Social and economic history of Qinghai-Tibet Plateau 并列题名：Social and economic history of the Roman empire an economic history of west africa