The Imperial Edict No.45 of 1907 "Edict concerning the change of names and partitions in Magiri Island, Okinawa Prefecture as well as in Izu Seven Islands and Ogasawara Islands, Tokyo Prefecture."
明治40年勅令第45号、沖縄県間切島並東京府伊豆七島及小笠原島ニ於ケル名称及区域ノ変更等ニ関スル件。