[1] 3 Elements Available in All TEI Documents - The TEI Guidelines, 2020-08-19T17:33:40.000Z, 2020-11-28T10:27:58.904Z https://tei-c.org/release/doc/tei-p5-doc/ja/html/CO.html#CONADA
[2] https://repository.dl.itc.u-tokyo.ac.jp/?action=repository_action_common_download&item_id=51399&item_no=1&attribute_id=19&file_no=1