← Sources Primary source Grammar / book — 蝦夷人民江御諭申渡通弁書付 利兵衛 Edit History (0) BibTeX CSL-JSON Bibliographic information Author / recorder 利兵衛 Date — (unknown) Type Grammar / book Languages Ainu, Japanese Scripts Kanji, Kana Digital access & links Website https://www.lib.hokudai.ac.jp/cgi-bin/hoppodb/record.cgi?id=0A022560000000000