[{"id":"ainu-1-ainu-yukara-ii","type":"book","title":"アイヌ歌謠集 第１集 アイヌ英雄叙事詩 ユーカラ（Ⅱ）","issued":{"date-parts":[[1947]]},"URL":"https://dl.ndl.go.jp/pid/3578911","language":"ain"}]