https://www.cas.go.jp/jp/ryodo_eg/kenkyu/senkaku/chapter02_section03_02.html
Commentary on themes by historical period | Senkaku Islands Research and Commentary Site
Senkaku Islands, Takeshima and the Northern Territories are inherent parts of Territory of Japan in light of historical facts and based upon international law....
by historical periodsenkaku islandscommentarythemes