Yu family and the politics of the Eastern Jin Dynasty Gugong studies and the political culture of the Ming dynasty Records of the states in the eastern Zhou dynasty 并列题名：Study of the ethical criticism of the Western Zhou dynasty The rise and fall of eastern han dynasty Regionalism and the political situation of the southern dynasties 并列题名：Gugong studies and the political culture of the Ming dynasty Study of the ethical criticism of the Western Zhou dynasty tea and politics of Tang Dynasty perspective from political history of the western Han dynasty