Bei chao di fang xing zheng zhi du yan jiu : yi zhou wei zhong xin = Research on Local Administrative Systems in the Northern Dynasties : Centered on Provincial Systems
Zai zao feng jian : Wei Jin Nan Bei chao de jue zhi yu zheng zhi zhi xu = Recreating Feng-Jian : a study of noble title and political order in Wei, Jin, Northern and Southern dynasties