Columbia subject headings:
Harvard subject headings:
Korea--History--Chosŏn dynasty, 1392-1910.
Korea--Kings and rulers.
Korea--Politics and government--1392-1910.
Princeton subject headings:
Korea--History--Koryŏ period, 935-1392.
Korea--Politics and government--935-1392.
T'aejo, King of Korea, 1335-1408.