← Sources Research literature Article 1998 アイヌの無文字社会と考古学 宇田川 洋 Edit History (2) Restricted archive: 0 pages. Log in to read. Summary 史学雑誌 Bibliographic information Author / recorder 宇田川 洋 Date 1998 Type Article Languages Ainu, Japanese Scripts Kana, Kanji Digital access & links DOI doi:10.24471/shigaku.107.1_35