Title: Wŏnjŏn ŭro ingnŭn Yŏhŏnhak, Yŏhŏn sŏnyŏkchip
Subjects: Neo-Confucianism, Early works to 1800, Korean Philosophy, Intellectual life
Places: Korea, Yŏngnam Region (Korea), Korea (North), Yŏngnam Region
Time periods: 17th century