Columbia subject headings:
Harvard subject headings:
Bureaucracy--Korea--History--To 1500--Sources.
Korea--History--Koryŏ period, 935-1392--Sources.
Korea--Politics and government--935-1392--Sources.
Princeton subject headings:
Korea--History--Koryŏ period, 935-1392--Sources.
Korea--Officials and employees--Selection and appointment--History.
Korea--Politics and government--935-1392--Sources.
Manuscripts, Korean.