source-8631744a:
  type: book
  title: "蝦夷語箋"
  author:
    - "上原, 熊次郎, -1827, 通事"
  date: 1972
  url: "https://ndlsearch.ndl.go.jp/books/R100000002-I000001271768"
  language: "ain"
