← Sources Primary source Grammar / book — 後方羊蹄於路志 (校正) (蝦夷語便覧) 松浦武四郎 Edit History (0) BibTeX CSL-JSON Bibliographic information Author / recorder 松浦武四郎 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=0A040040140000000