1. Brokers and career mobility systems in the structure of complex societies;Adams;Southwestern Journal of Anthropology,1970
2. TōSōjidai no kōtsū to chishi chizu no kenkyū;Sadao,1963
3. The five great clans of the New Territories;Baker;Journal of the Hong Kong Branch of the Royal Anthropological Society,1966
4. Extended kinship in the traditional city;Baker,1976
5. The guilds of Peking;Burgess,1928