Columbia subject headings:
Chŏng, Yŏ-rip, 1544-1589--Contemporaries.
Chŏng, Yŏ-rip, 1544-1589.
Insurgency--Korea--History--16th century.
Korea--Politics and government--16th century.
Political purges--Korea--History--16th century.
Harvard subject headings:
Chŏng, Yŏ-rip, 1544-1589
Chŏng, Yŏ-rip, 1544-1589--Contemporaries.
Insurgency--Korea--History--16th century.
Korea--Politics and government--16th century.
Political purges--Korea--History--16th century.
Princeton subject headings:
Chŏng, Yŏ-rip, 1544-1589.
Korea--Politics and government--16th century.
Revolutionaries--Korea.