studies on the history of trade south China sea and sino-foreign relations 濒海之地：南海贸易与中外关系史研究：studies on the history of trade south China sea and sino-foreign relations Study on the history of modern sino-foreign relations Studies on the history of sino-foreign relations Studies on the history of Sino-foreign relations 并列题名：Studies on the history of sino-foreign relations Studies on the history of the western regions Studies in the History of the Relations between China and Foreign Countries studies on the history of Chinese painting of the Ming Dynasty