Columbia subject headings:
Kojong, King of Korea, 1852-1919.
Korea--History--1864-1910.
Sunjong, King of Korea, 1874-1926.
Harvard subject headings:
Kojong, King of Korea, 1852-1919.
Korea--History--1864-1910.
Sunjong, King of Korea, 1874-1926.
Princeton subject headings:
Kojong, King of Korea, 1852-1919--Chronology.
Korea--History--1864-1910.