Study of the narrative style in the Pre-Qin Period 并列题名：Study of the narrative style in the Pre-Qin Period Study on utilitarian thoughts of the Pre-Qin period Study of the military intelligence thoughts of pre-qin period Research on methods of divination in the pre-Qin period Treatise on diplomatic diction in the pre-qin period Study of three domestic debt arrangements in the Republican period 并列题名：Treatise on diplomatic diction in the pre-qin period 并列题名：Study of the military intelligence thoughts of pre-qin period 并列题名：Study on utilitarian thoughts of the Pre-Qin period