Research on the posthumous title system in the Wei Jin Southern and Northern dynasties Research on the burial ritual system in the Southern and Northern dynasties A study on the merit system in the wei jin southern and northern dynasties Research on local administrative systems in the Northern Dynasties Study of reclusive literature in Wei Jin Southern and Northern dynasties Study on the funeral rites and society of the Wei-Jin southern and northern dynasties Research on twelve commentaries on the Analects from the Wei Jin and Northern and Southern dynasties periods Study of bamboo slips in Wei Jin Southern and Northern dynasties Research on the Shi family in Siming in the Southern Song Dynasty Research on the seven-characters poems in the early Northern Song dynasty