Columbia subject headings:
Ch'oe, Sŏng-hwan, 1813-1891. Komun piryak.
Sirhak school.
Harvard subject headings:
Ch'oe, Sŏng-hwan, 1813-1891
Komun piryak--Criticism and interpretation.
Korea--Economic policy.
Korea--Politics and government--1392-1910.
Korea--Social policy.
Princeton subject headings:
Ch'oe, Sŏng-hwan, 1813-1891.
Komun piryak--Criticism and interpretation.
Korea--Economic policy.
Korea--Politics and government--1392-1910.
Korea--Social policy.