@book{han-nom-d8-jjwk-e270,
  title = {Quốc triều thư khế 國朝書契},
  url = {https://viet-dien.com/t/han-nom-d8-jjwk-e270/6},
  pages = {6},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-12},
}