Columbia subject headings:
Korea (North)--History.
Korea--History--1864-1910.
Korea--History--1945-
Korea--History--Japanese occupation, 1910-1945.
Harvard subject headings:
Korea (North)--History.
Korea (South)--History.
Korea--History.
Princeton subject headings:
Korea (North)--History.
Korea--History--1864-1910.
Korea--History--1945-
Korea--History--Japanese occupation, 1910-1945.