Columbia subject headings:
Korea--History--1392-1637.
Korea--Intellectual life.
Korea--Politics and government--1392-1637.
Leadership--Korea--Case studies.
Political leadership--Korea--History.
Sejong, King of Korea, 1397-1450.
Harvard subject headings:
Knowledge management--Korea (South)
Korea--History--Chosŏn dynasty, 1392-1910.
Sejong, King of Korea, 1397-1450
Princeton subject headings:
Case studies.
Korea--History--1392-1637.
Korea--Intellectual life.
Korea--Politics and government--1392-1637.
Leadership--Korea--Case studies.
Political leadership--Korea--History.
Sejong, King of Korea, 1397-1450.