Columbia subject headings:
Harvard subject headings:
Chŏngdong Kurakpu--Political activity.
Korea--Intellectual life--19th century.
Korea--Politics and government--1864-1910.
Korea--Relations--United States.
United States--Relations--Korea.
Princeton subject headings:
Chŏngdong Kurakpu--Political activity.
Korea--Intellectual life--19th century.
Korea--Politics and government--1864-1910.
Korea--Relations--United States.
United States--Relations--Korea.