@book{han-nom-d8-ntd4-c889,
  title = {Dịch phu tùng thuyết 易膚叢説},
  author = {Phạm-đình-Hô},
  url = {https://www.viet-dien.com/t/han-nom-d8-ntd4-c889/4},
  pages = {4},
  note = {held by Columbia University Libraries},
  urldate = {2026-09-07},
}