@book{han-nom-d8-e29p-f866,
  title = {Cao Vương chân truyền địa lý đồ chân long huyệt 高王真傳地理圖真龍穴},
  year = {1929},
  publisher = {Quảng Thịnh Đường tàng bản = 廣盛堂藏板: Hà Nội = 河内},
  url = {https://www.viet-dien.com/t/han-nom-d8-e29p-f866/2},
  pages = {2},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-05},
}