What Were "the Commons" and "the Nation" in Britain ? -From a Viewpoint of Studing "Representation"-. Journal of Social Science, Takusyoku University. 1995. 3. 2. 1-43
Analysis of the American General Election -From a Viewpoint of Studying "Representation"-. Journal of Social Sciences, Takushoku University. 1994. 2. 1. 1-49