@book{han-nom-d8-4psh-dh30,
  title = {Hoàng triều nhất thống địa dư chí 皇朝一統地輿誌},
  author = {Lê, Quang Định},
  url = {https://viet-dien.com/t/han-nom-d8-4psh-dh30/5},
  pages = {5},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-12},
}