Columbia subject headings:
Harvard subject headings:
Cho, Sik, 1501-1572--Political and social views.
Chŏng, In-hong, 1535-1623--Political and social views.
Confucianism and state--Korea--History.
Korea--Politics and government--1392-1910.
Political science--Korea--Philosophy--History--16th century.
Princeton subject headings:
Cho, Sik, 1501-1572--Political and social views.
Chŏng, In-hong, 1535-1623--Political and social views.
Confucianism and state--Korea--History.
Korea--Politics and government--1392-1910.
Political science--Korea--Philosophy--History--16th century.