← Sources Research literature Book / monograph — 蝦夷語箋 . 異国渡来実記 . 異賊襲来記 [上原有次著] . . Edit History (0) Bibliographic information Author / recorder [上原有次著] . . Date — (unknown) Type Book / monograph Languages Ainu, Japanese Scripts Kanji Digital access & links Website https://ci.nii.ac.jp/ncid/BB26695328