Columbia subject headings:
China. Treaties, etc.
Korea. Treaties, etc.
United States. Treaties, etc.
Harvard subject headings:
China--Foreign relations--Treaties.
China. Treaties, etc.
Korea--Foreign relations--Treaties.
Korea. Treaties, etc.
Treaties.
United States--Foreign relations--Treaties.
United States. Treaties, etc.
Princeton subject headings:
China. Treaties, etc.
Korea. Treaties, etc
United States. Treaties, etc.