@book{ueharaezogoshushoheizaka,
  title = {蝦夷語集（昌平坂学問所旧蔵本）},
  author = {上原有次（熊次郎）},
  language = {ain},
  url = {https://www.digital.archives.go.jp/api/iiif/4271977/manifest.json}
}