Columbia subject headings:
Geopolitics--Korea (South)
Korea (North)--Relations--Korea (South)
Korea (South)--Relations--Korea (North)
Korea (South)--Strategic aspects.
Korean reunification question (1945- )
Peace-building--Korea.
Harvard subject headings:
Geopolitics--Korea (South)
Korea (North)--Relations--Korea (South)
Korea (South)--Relations--Korea (North)
Korea (South)--Strategic aspects.
Korean reunification question (1945-  )
Peace-building--Korea.
Princeton subject headings:
Geopolitics--East Asia.
Geopolitics--Korea.
Korea (North)--Relations--Korea (South)
Korea (South)--Relations--Korea (North)
Korean reunification question (1945- )
Peace-building--East Asia.
Peace-building--Korea (South).