Columbia subject headings:
Korea (North)--Foreign relations--21st century--Congresses.
Korea (South)--Foreign relations--21st century--Congresses.
Korean reunification question (1945- )--Congresses.
Harvard subject headings:
Korea (North)--Foreign relations--21st century--Congresses.
Korea (South)--Foreign relations--21st century--Congresses.
Korea--Foreign relations.
Korean reunification question (1945-  )
Korean reunification question (1945- )--Congresses.
Princeton subject headings:
Korea (North)--Foreign relations--21st century--Congresses.
Korea (South)--Foreign relations--21st century--Congresses.
Korean reunification question (1945- )--Congresses.