@book{han-nom-d8-p7x9-9027,
  title = {Phương Đình tuỳ bút lục 方亭隋筆錄},
  author = {Nguyên-Văn-Siêu},
  year = {1882},
  url = {https://www.viet-dien.com/t/han-nom-d8-p7x9-9027/2},
  pages = {2},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-05},
}