- Date: 1446
- Korean: 訓民正音 (Hunminjeongeum)
The Hunminjeongeum, or "Correct Sounds for the Instruction of the People," published in 1446 at the orders of King Sejong of Joseon, was the first book describing hangul, a new system of Korean phonetic writing invented at that time.
- Gallery labels, King Sejong Museum.
- Gallery labels, National Museum of Korea.