Facts
- Author
- Zhitui Yan
- Language
- Chinese
- Project Gutenberg No.
- 7458
- Released on Project Gutenberg
- February 1, 2005
- Bookshelves
- Essays, Letters & Speeches, Philosophy & Ethics, Parenthood & Family Relations, Teaching & Education
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)