@book{han-nom-d8-a0vq-e232,
  title = {Câu đối hiếu 句對孝},
  url = {https://www.viet-dien.com/t/han-nom-d8-a0vq-e232/18},
  pages = {18},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-10},
}