@book{han-nom-d8-793y-f533,
  title = {Phổ độ âm dương bảo kinh 普度陰陽寳經},
  year = {1909},
  publisher = {Song Bình Trùng Thiện Đường tàng bản: Vietnam},
  url = {https://www.viet-dien.com/t/han-nom-d8-793y-f533/5},
  pages = {5},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-05},
}