@book{han-nom-d8-1ddt-rm10,
  title = {Tứ Hạo từ quy Thương sơn trần tình biểu 四皓辞歸商山陳情表},
  url = {https://www.viet-dien.com/t/han-nom-d8-1ddt-rm10/8},
  pages = {8},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-06},
}