http://www.geometriefluide.com/pagina.asp?cat=botticelli&l=en
https://books.google.co.jp/books?id=AhNZemv-J9IC&pg=PT24&lpg=PT24&dq=tommaso+soderini+botticelli&source=bl&ots=UOQi4hxqoL&sig=XktAf5GsnhD22c49f8JD8ibvn4A&hl=ja&sa=X&ved=0CFIQ6AEwCWoVChMI5IPJjfKvxwIVhp2UCh3Tqg0R#v=onepage&q=tommaso%20soderini%20botticelli&f=false

ソデリーニとサンドロ