Columbia subject headings:
Harvard subject headings:
Confucian ethics--Government policy--Korea--History.
Korea--History--Chosŏn dynasty, 1392-1910.
Rewards (Ethics)
Social ethics--Government policy--Korea--History.
Princeton subject headings:
Confucian ethics--Government policy--Korea--History.
Korea--History--Chosŏn dynasty, 1392-1910.
Rewards (Ethics)
Social ethics--Government policy--Korea--History.