Shimin Gaikou Centre has tranlsated "Utaspano Uoupekare," Newsletter of Hokudai Kaiji Bunsyo Kenkyukai No.26. The issue focuses on Raporo Ainu Nation’s lawsuit over indigenous fishing rights.
The original newsletter in Japanese is available through following link.
http://www.kaijiken.sakura.ne.jp/newsletter/newsletterindex.html