Columbia subject headings:
Harvard subject headings:
Communism--Korea (North)--History
Korea--History--Partition, 1945.
Korean War, 1950-1953--Causes
World politics--1945-1955
Princeton subject headings:
Communism--Korea (North)--History.
Korea--History--Partition, 1945.
Korean War, 1950-1953--Causes.
World politics--1945-1955.