Study of the history of Sino-German relation Studies on the history of sino-foreign relations Studies on the history of Sino-foreign relations Study on the history of modern sino-foreign relations 并列题名：Studies on the history of sino-foreign relations Brief history of Sino-German relations 并列题名：Studies on the history of Sino-foreign relations Brief history of Sino-American relations Study of the history of Jane Austen studies Study on the history of international law