Columbia subject headings:
Harvard subject headings:
Central-local government relations--Korea--History.
Korea--History--Koryŏ period, 935-1392
Local government--Korea--History--To 1500.
Princeton subject headings:
Central-local government relations--Korea--Koryŏ period, 935-1392.
Korea--Politics and government--Koryŏ period, 935-1392.
Local government--Korea--Koryŏ period, 935-1392.