Columbia subject headings:
Confucianism.
Philosophy, Confucian--Early works to 1800.
Zhen, Dexiu, 1178-1235. Xin jing.
Harvard subject headings:
Korea--Intellectual life--1392-1910
Philosophy, Confucian
Self-control--Korea--History.
Princeton subject headings:
Confucianism.
Philosophy, Confucian--Early works to 1800.
Zhen, Dexiu, 1178-1235. Xin jing.