Title: Yangmyŏng upʻa wa Chŏng Che-du ŭi yangmyŏnghak
Subjects: Ethics, History, Neo-Confucianism
Places: China, Korea
People: Che-du Chŏng (1649-1736), Yangming Wang (1472-1529)
Time periods: 16th century, 17th century