Analysis of information sources in references of the Wikipedia article "奴隶制度" in Chinese language version.
e. g. Prologue, "the shepherd of the oppressed and of the slaves". Code of Laws #7, "If any one buy from the son or the slave of another man".
e. g. Prologue, "the shepherd of the oppressed and of the slaves". Code of Laws #7, "If any one buy from the son or the slave of another man".