アメリカ合衆国におけるヒストリック・ディストリクト制度の法的論拠の確立に関する研究

抄録

In the USA, the institution of historic districts was exploited in the 1930s to protect extraordinarily important historic and architectural values. In the 1960s, more usual environment began to he designated, and historic districts became so widespread. This study analyses the historic districts from four aspects, namely, zoning, historic preservation, aesthetic control, and design review. Sometimes the institution has been adopted even though it is not clearly constitutional and has changed the interpretation of the law. On the other times, the law requires civic participation, clear standards and so on, and has made the institution improved.