@book{1792x14odq2e,
  title = {蝦夷方言},
  author = {上原 熊次郎 and 阿部 長三郎},
  year = {1792},
  language = {ain},
  url = {https://app.honkoku.org/reader/83b29132c6d01a596a847de5ba3b0b0d}
}