1904-batchelor-koropok-guru-pit-dwellers-north-japan:
  type: book
  title: "The Koropok-Guru or pit-dwellers of north Japan, and, A critical examination of the nomenclature of Yezo"
  author:
    - "John Batchelor"
  date: 1904
  url: "https://archive.org/details/bub_gb_TEFBbXypvhgC"
  language: "ain"
