http://plato.stanford.edu/entries/montesquieu/
http://bookweb.kinokuniya.co.jp/htmy/0754627012.html
_ montesquieu
http://www.youtube.com/watch?v=0FvMBFRxhA8
_ 2. The Baron de Montesquieu (1689-1755), Alan Macfarlane
http://www.youtube.com/watch?v=kfDHUqL0Rqc
