@book{han-nom-d8-afn6-gb33,
  title = {Địa lí toản yếu nguyên phái chân truyền 地理篡要原派真傳},
  url = {https://www.viet-dien.com/t/han-nom-d8-afn6-gb33},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-06},
}