Columbia subject headings:
Allen, Horace Newton, 1858-1932.
Eastern question (Far East)
Japanese--Korea.
Korea--Foreign relations--United States.
Korea--Foreign relations.
Korea--History--1864-1910.
United States--Foreign relations--Korea.
Harvard subject headings:
Allen, Horace Newton, 1858-1932.
Eastern question (Far East)
Japanese--Korea
Korea--Foreign relations.
Princeton subject headings:
Allen, Horace Newton, 1858-1932.
Eastern question (Far East)
Japanese--Korea.
Korea--Foreign relations.